Rules



2019 EMOD

EMOD Division

Any tolerance determined by tech man and management decision will be FINAL!!!

  • Body and Chassis- EMOD
  1. May have right front brake shut off. May run 2 ½ inch coil-overs on rear
  2. UMP or IMCA body rules apply
  • Block- EMOD
  1. Any American V-8 cast iron factory production block as supplied by manufacturer.
  2. May use 1- or 2-piece rear main seal block
  3. NO aftermarket blocks of any kind.
  4. NO 400 blocks
  5. NO stroking or de-stroking
  6. Block may be zero decked; piston can NOT protrude above deck surface.
  7. Block may be 2 or 4 bolt
  8. NO splayed main caps
  9. Block may be bored 0.60
  10. 602 crate motors sealed from GM
  11. NO painting
  • Crankshaft- EMOD
  1. Factory OEM stock steel or cast
  2. May use aftermarket steel or cast
  3. Must weigh minimum of 48lbs.
  4. May use speedway part #15-15350 or Scat part # 915-104420
  5. May balance rotating assembly
  6. May add weight to balance
  7. NO knife edge crank
  8. Chevy 3.48 stroke
  9. Harmonic balancer, minimum 6.75-inch diameter, must be nodular from OEM style, with Elastomer insert. NO fluid dampers or 1-piece dampers, must be steel.
  • Rods- EMOD
  1. Factory stock appearing rod
  2. NO H BEAMS
  3. May use floated pin
  4. Scat or Eagle stock replacement I Beam Rods
  • Pistons-EMOD
  1. Any stock appearing 2 or 4 eyebrow piston, may be cast or forged.
  2. The total minimum weight of piston, bearings, caps, rings, rods, and wrist pin = 1194 grams
  • Camshaft and Lifters-EMOD
  1. 390/410 hydraulic only, any flat tappet hydraulic lifter allowed. Factory firing order only NO 4/7 swap cams.  Timing chain and gear, double roller OK, cam button OK, rear Bearing on cam gear OK. Must maintain 390/410 lift at valve.
  • Push Rods-EMODS
  1. May use 100/1000 longer push rods
  • Rocker arms_EMOD
  1. Stamped steel 1.5 ratio 1.52, 1.6 roller tips, may use speedway part # 287-11801 may run 1.5 or 1.6 roller tip rockers steel only.
  • Oil Pan-EMOD
  1. Any
  • Heads- EMOD
  1. OEM factory open chamber ONLY
  2. Valve size 194/150. NO angle milling of heads.
  3. NO Vortex
  4. NO Cleveland’s
  5. NO closed chamber
  6. NO Angle plug heads
  7. Option

i)350 I spec IMCA or Stock Car Iron 72cc

  1. h) 72cc minimum
  2. i) Pinning of studs
  3. j) Maximum stud diameter 3/8 inch
  4. k) Screw in studs OK, 3/8 inch
  5. l) Guide plates OK
  6. m) Minimum valve stem diameter 11/32, Valve springs maximum diameter 1.260
  7. n) Valve length 4.900-inch 3 angle valve cut OK

11) Head Gaskets- EMOD

  1. a) Minimum thickness 0.40, NO TOLERANCE!!

12) Distributor

  1. a) Must remain factory tock except for the following options:

(i) May re-curve distributor

(ii) May use MSD modules part # 547-83641

(iii)May lock vacuum advance

(iv)may run hot coil, may use MSD part # 547-8220

(v)may use MSD distributor part # 910-12341

(vi)NO small body distributors

(vii)NO MSD boxes

(viii)NO traction control

(ix)May run bronze gear

13) Carburetor

  1. a) Single Feed Allowed CARBs as follows

(i) Holley 4412 must be as it came from manufacturer stock production, except for the following options.

(a) May use 50 cc accelerator pump.

(b) May change power valve

(c)  May change jets.

(d) Must be stock metering block

(e) NO high-performance metering blocks

(f) NO billet metering blocks

(g) Must have stock air horn, unaltered.

(h) Must pass Needmore Speedway NO GO gauges.

(ii) Holley 0-1850 VAC. SEC. Only. Factory stock except for the following options:

(a) May use 50cc accelerator pump.

(b) May change power valve

(c)  May change front jets

(d) May use fuel log.  SINGLE FEED FRONT metering block must be stock.

(e) May run center hung floats

(f) NO high-performance metering blocks

(g) NO billet metering blocks.

(h) May open rear jet orifices to adjust secondary fuel circuits.

(i) May use rear jet plate SMI part # 85-599 NO rear metering block.

(j) Must pass Needmore Speedway NO GO gauges.

(k) Must have stock air horn, unaltered.

(iii) Quandra jet must be OEM factory stock except for the following options:

  • Removal of choke plates, shaft, and choke mechanism.
  • Side load or front load OK
  • NO internal drilling to modify metering circuits

14) Intake- EMOD

  1. a) Any steel or aluminum 2 bbl or 4 bbl
  2. b) Untouched out of the box
  3. c) NO gasket matching
  4. d) NO porting
  5. e) Must use only 1 gasket per side
  6. f) NO gasket stacking
  7. g) May drill and tap intake for bypass cooling hoses if necessary.
  8. h) NO homemade or custom intakes.
  9. i) All intakes MUST have legible casting numbers.

15) Intake and Adapter- EMOD

  1. a) In the event the carb and intake combination you are using requires an adapter it must be a maximum thickness of 1 inch including gaskets, it must be a MR GASKET inexpensive part. NO spacers of any kind.
  2. b) If carb will bolt to intake without an adapter the maximum thickness of gasket is 5/16 inch.

16) Fuel Pump-EMOD

  1. a) Any stock mechanical type OK
  2. b) NO piston style pumps
  3. c) NO vane type
  4. d) Fuel pump must be mounted in stock OEM location on engine block.

17) Fuel- EMOD

  1. a) Race Fuel or Pump Gas

18) Power Steering Pump- EMOD

  1. a) Pump must be mounted in stock or close to stock location on front of engine. NO rear fuel pumps.

19) Exhaust-EMOD

  1. a) Any header must run parallel to ground.

20) Flywheel, Clutch, Pressure Plate- EMOD

  1. a) May use hydraulic release bearing
  2. b) MANDATORY BLOW PROOF BELL HOUSING.
  3. c) Stock. No lightened or aluminum flywheels are allowed.  The minimum weight of the flywheel is fourteen (14) pounds.  Stock clutch and pressure plate.  No racing types. May use solid clutch disk (no springs)

21) Transmission-EMOD

  1. a) Automatic must be completely factory stock must have full size torque converter.
  2. b) Stock type 2400lbs.
  3. c) Bert, Brinn, or triple disk 2500ilbs.
  4. d) NO shift kits
  5. e) NO power glides
  6. f) NO torque converter eliminators.
  7. g) Steel Drive Shaft only painted white
  8. h) 3 or 4 speed with working reverse
  9. i) Bert, Brinn, or racing type OK; must add 100lbs.

22) Wheels and Tires-EMOD

  1. a) H500 or medium 100 only Hoosier 8” tires.
  2. b) 8” steel wheel only May run beadlocks on all 4 corners; no grooving; No treating. Siping is allowed.
  3. c) No needling

2019 General Rules

  1. Needmore Rule Book Disclaimer for 2019
  • The rules and or regulations set forth herein are designated to provide for the orderly conduct of racing events (or other events) at Needmore Motor Speedway and establish minimum acceptable requirements for such events. These rules shall govern the condition of all events, and by participating in these events, all participants are deemed to have agreed to comply with these rules.
  • No express or implied warranty or safety shall result from the publication or compliance with these rules and or regulations.
  • They are intended as a guide for the conduct of the sport and are in no way a guarantee against injury or death to a participate, spectator, or official.
  • The race director shall be empowered to permit minor deviation from any of the specifications herein or impose any further restrictions that in his or her opinion do not alter the minimum acceptable requirements, no expressed or implied warranty of Safety shall result from such alteration or specifications. Any interpretation or deviation of these rules is left to the discretion of the officials of Needmore Speedway.  Their decision is final!!
  • Approval of a car by Needmore Speedway inspection shall only mean that inspected car is approved for participation in a race event and shall not be construed in any way to mean the inspected car by Needmore Speedway is guaranteed mechanically sound. Needmore Speedway and staff shall not be liable for any mechanical failure not for any losses, injury or death resulting from it.
  1. Spirit and Intent
  • The rules and regulations contained herein are the standards by which racing events at Needmore Speedway will be guided. Officials at these events are authorized to decide if a variation or design is an attempt to beat the rules or alter effectiveness of the rules.  The officials can and will disqualify an entry for such actions.  Track officials shall reserve the right to initiate action to correct a hazardous situation or condition not in compliance with the spirit and intent of these rules and regulations.
  • All cars and support equipment must be maintained throughout the year in a pleasing professional manner in appearance and mechanical condition. Track officials reserve the right to request or demand updates and changes to any vehicle and support equipment.  Failure to comply with the spirit and intent of these rules and regulations may result in suspension, disqualification, expulsion, and/or fines to be designated by track officials or as may be set forth in these rules.
  1. General Rules/ All Racing Classes
  • Racing Procedures
  1. Disqualified cars will not receive money for that race. This includes black flagged cars for any reason including unsportsmanlike behavior.
  2. If found illegal, the protested driver forfeits all money won at the event. Drivers refusing to tear down will be considered the same as being illegal.  If the same driver is disqualified (2) times in one season driver forfeits all points gathered at that point.  If car is disqualified (2) times the owner must prove car is in compliance with Needmore Speedway rules before racing again.
  3. The top 15 places will be paid at each event. Places 16-24 will receive tow money for the event. Must complete ONE GREEN flag lap to receive any payout.
  4. Classes schedules depends upon participation. If you don’t participate on the night your class is schedules, then your class might not be schedules again.
  5. 10 or less cars will run features only No Heats.
  • Car and Driver Registration and Appearance
  1. Car Number and Registration: They must be at least eighteen (18) inches high and two and one half (2 ½ ) inches wide, clearly visible and identifiable on both sides of the cars.  All cars must have a number on the roof at least twenty-four (24) inches high and two and one half (2 ½ ) inches wide.  All cars must have numbers at least four (4) inches high on all of the following:
  • The nosepiece in the approximate location of the right headlight.
  • The rear of the fuel cell. (at least six (6) inches high on limited cars)
  • The numbers must be in color that presents high contrast with the color of the car paint upon which it is displayed. This rule is for the benefit of the competitors who desire to be scored correctly.  In the event of more than one car with the same number, a team may be required to alter or change their number in some way to avoid any confusing in scoring and other racetrack operations.  Letters and/or Roman numerals are not to be used in lieu of Arabic or standard numbers.
  1. Cars must be painted and maintained in the best possible appearance. Anything on the race car can be required to be removed if deemed to be offensive by the track officials.
  2. Diver Registration and requirements: No driver can compete without registering name, social security number, address and telephone number with track officials.  This must be completed before you are allowed to register to race for an event.  No exceptions.  Drivers must be at least sixteen (16) years of age (proof required).  W9 must be completed by the person receiving the prize money.  Drivers under the age of eighteen (18) years of age must be provided a minor release signed by parent or legal guardian.  By submitting their registration and/or taking part in action at Needmore Speedway the competitor further agrees to abide by all track rules and regulations and the decisions made by the track officials.  The competitor further agrees that the racing area is in a safe, race able and suitable condition and assumes all responsibility for any and all injuries sustained including death and property damage, and time they are on property of Needmore Speedway, or en route to and from such property.
  • Fuel and Fuel Systems
  1. Gas Only. Racing Gas is allowed.  E85 Allowed for crate engines.
  2. No alcohol, nitrous oxide, or any other additives will be allowed.
  3. No electric fuel pump will be allowed. Only mechanical fuel pumps in the stock location will be permitted.
  4. A fuel cell in a metal container securely mounted in the car no lower than the axle tubes is mandatory. The fuel cell must be strapped in the car by at least two (2) metal straps of two (2) inched by one eight (1/8) inch or track approved mounting. The fuel cell must be installed so in the event of the racecar rolling over, the vent will be closed, and the cap will remain closed to prevent fuel spills and fire danger.
  5. Fuel lines cannot run through the driver’s compartment unless they are enclosed in metal tubing.
  6. No bottom-fed fuel cells.
  • Miscellaneous: Safety Items
  1. Raceivers ARE MANDATORY in all classes!!
  2. Battery: It cannot be located in the driver’s compartment.  It must be securely mounted and shielded.
  3. Wrecker loops must be securely installed on the front and rear of each racecar. Driver will receive one warning and the next offense he will be sent to the tail of the heat race.
  4. Drive Shaft: The drive shaft must be painted white and it must be enclosed by a drive shaft loop made of a minimum of one quarter (1/4) inch by (2) steel mounted approximately twelve (12) inches from the rear of the transmission.
  5. Fire Extinguisher: A Two (2) pound dry chemical fire extinguisher, U.L. approved, adequately mounted and easily accessible to the driver. Also, a ten (10) pound dry chemical fire extinguisher is required in each pit.
  6. Roll Bars: Padding of all roll bars within thirty-six (36) inches of the driver is recommended. A minimum clearance of three (3) inches must be maintained between the top of the driver’s helmet and the lowest part of the top bar of the roll cage.
  7. Roll Cage Construction: A full roll cage constructed of a minimum of one and one-half inches (1 ½) round tubing or black pipe with .095 wall thickness is required.  There must be four (4) bars on the driver’s side and three (3) bars on the passenger side.  The roll cage must pass rack inspection.  Any roll cage made from tubing that is not mandrel bent (such as heating or bending) must have metal gussets welded in all bends and joints.  This is an extremely important safety factor and should be used in all cars regardless of method used to form roll cage.  Welds on any parts on the car must meet track approval for safety reasons.  Welding together of broken steering parts is not allowed.
  8. Lug nuts and wheel studs: All classes are encouraged to use at least one half (1/2) inch wheel studs.  At least five (5) studs and lug nuts must be used.  One (1) inch lug nuts required.
  9. Seat belts and seats:  Racing seats and seatbelts are required in all classes.  Lap belts should be at least three (3’”) inch quick release types with a two (2) inch wide shoulder and crotch harness.  Seats and belts must be securely mounted to the roll cage.  Aluminum seats are required in all classes. Belts must be securely fastened before the car enters the race track and must remain fastened until the car returns to the pits, unless car is involved in an accident, and then must not be removed until track officials’ safety personnel reaches the car.  SEAT BELTS MUST BE UP TO DATE AND TRACK APPROVED.
  10. Window Nets: Full nets are highly recommended in all classes and must be fastened in place before moving car onto the race track and it must remain in place until returning to the pits; unless the car is involved in an accident, then the window net must remain fastened until safety personnel reaches the car.  Window nets are mandatory in the 440 Division.
  11. Fire Suits and Helmets: Fire suit and helmets are required in all classes.  The helmet must be track approved (SA.05).  The fire suit must be a fire resistant SFI certified material and it is recommended that fire resistant hood, gloves and shoes accompany it.  Regular “coveralls: and worn out fire suits and/or those with accumulated grease and oil soaked into them are not sufficient for driver protection.  Track officials can and will require replacement of such items before a driver can participate in any type of event.
  12. Drivers are not to get out of their car on the race track in the event of an accident, until track safety personnel reach the car and authorizes it, unless the car is on fire. Getting out of the car after an accident or during an event to work on the car, arguing with track officials, or for and other reason will result in disqualification and/or suspension.
  13. Track officials will not work on your car on the track. If the car needs attention, the driver will go to the pit area, so the pit crew can take care of the car.
  14. Pit area speeds: Minimum speed five (5) mph must be maintained when driving in the pit area.   No vehicle, ATV, golf cart, motorcycle is allowed to exceed 10 mph in the pit area.
  15. Steering Columns: Collapsible steering columns and padded steering wheel centers are recommended.
  16. Window Bars: Window Bars must be at least four (4) steel bars, a minimum of five (5) sixteenth (5/16) inch in diameter, must be mounted vertically, no more than four (4) inches apart in front of driver in the windshield area.  Wire mesh in the same area is recommended.
  17. Brakes: Brakes are required on all four (4) wheels of racecar, and they must work properly.
  18. Lubricants: Lubricants to be discarded must be dumped into proper receptacles placed in pit area.
  19. Antifreeze: No Antifreeze will be allowed in any racecar radiator/cooling system.
  20. Mirrors: No mirrors will be allowed in any racecar.  That included hand held or temporary mounted mirrors.
  21. Weights:  All weights must be securely fastened.  No weights allowed in driver’s compartments.  All lead must be painted white with car # on it.
  • Conduct and Procedure

Special Note:  Any driver suspected of being physically or mentally unfit or impaired may be barred from participation until fitness is apparent or attested to by proper medical personnel.

  1. Track officials reserve the right to fine, ban, or suspend any driver, other competitor, pit crew member or any other person on the property of Needmore Speedway or take other actions as it may be deemed appropriate by track officials if that person engages in unsportsmanlike conduct and/or conduct detrimental to the sport of auto racing. This includes profanity in front of or directed to race fans, officials, and other competitors.  Throwing of helmets and steering wheels is strictly prohibited.
  2. No alcoholic beverages or illegal drugs will be allowed in the pit area during an event. If your particular part of the event is completed or you are out of the event, you still cannot bring alcoholic beverages into the pit area. Drivers and any others in the pit area including, car owners, or pit crews found consuming alcoholic beverage before or during an event may be required to load up their car and leave the area. Anyone found in possession of or using illegal drugs on the property of Needmore Speedway is subject to the arrest by law enforcement agencies.
  3. Drivers are responsible for the conduct of their pit crews, family members and other persons associated with their car. Drivers are not to stop their car on the track to argue with track officials nor is anyone ese allowed to engage in any disorderly argumentative conduct towards track officials or other competitors during any event.  Such persons should remain in their pit area and NOT go to the racing area, scoring tower or other pit areas to engage in any type of unruly conduct.  A minimum fine of $500.00 determined by management will be assesses if need be.  Any fines imposed by track officials against such person must be paid before the driver can compete again, at the discretion of the track officials or deducted from any winnings.
  4. Inappropriate conduct will lead to arrest by law enforcement agents and prosecution for criminal violations.
  5. Any persons engaging in racing events, in any capacity shall not make any claim damages, expenses, or otherwise against Needmore Speedway or its officials.
  6. Only towing vehicles and safety vehicles will be allowed in the pit areas during racing events.
  7. Pit Passes: No one under fourteen (14) years of age will be allowed unsupervised or without an adult.
  8. Injuries received at the track must be reported to track management before completion of the vent. Incident report must be completed and signed by injured person on the date the incident occurs.
  9. No driver is to allow anyone to ride on or in his racecar while on any Needmore Speedway property. This included while racecar is being pushed or towed.
  10. Decision of track officials on interpretation of rules, scoring, flagging; technical inspection or race procedures will be final.
  11. Time limits for heats and feature races are at the discretion of Needmore Speedway. All heat races will have a ten (10) minute time limit.  All feature race time limits will be thirty (30) minutes. Unless otherwise stated.
  12. When time limit has expired, the white flag will be displayed signaling the last lap has started. Notice will be given via Raceceiver.
  13. When the race begins, the flagman is in control of the race. If a driver jumps or lags back the start or restart, he will be put back one position on first offense.  On second offense driver will be put to the rear of the field.  The drivers are responsible for becoming familiar with the flag rules.
  14. Drivers must be ready for their schedules event. If not in line to enter track in their designated place by the white flag lap of the proceeding race, they must go to the rear of the field.
  15. Time Trails: If time trails are held, the cars must be lined up in the staging area.  If the staging area becomes empty, time trails are over.  Cars not timed must go to the rear of the field.  Cars not in line promptly will only have one (1) lap time.
  16. Re-Entry to the track racing area racecars having gone to the pits for whatever reason is to be strictly governed by track officials. Competitors may be allowed to reenter the rac but the driver must stop at the entrance to the racing surface to await a signal by the designated track official before proceeding onto the track.
  17. Any car deliberately stopping a race by any method will be sent to the back of the filed.
  18. Any car returning to pit area in the feature event with a flat tire will receive two (2) caution laps for tire repair, if you are attempting to change tire, tire must be flat and time will begin once the driver reaches his pit area.
  19. Causing of two (2) caution flags in a heat race and in a feature will result in the driver being sent to the pits.
  20. Drivers of the first three (3) cars or others as deemed necessary by track officials or other events designated by track officials must proceed to the scale shack area in the order that they finish the race to await technical inspection. If the driver proceeds to their pit area and/or is loading up their car without stopping for inspection they may be disqualified and not paid winnings due to them.
  21. Drivers failing to disassemble their cars for technical inspection in a timely manner (as rues by track officials) will be disqualified.
  22. Driver changes: No driver change can be made during an event without prior approval of track officials.
  23. Glass containers: No glass beverage bottles or other glass containers can be brought onto the grounds of Needmore Motor Speedway.  All drivers are subject to fine or suspension if any glass containers are found in the pit area.
  24. Driver is responsible for keeping pit crew, friends and family away from, the car inspection area and scales until inspection is complete on all cars held for inspection. Only one (1) pit crew member will be allowed in this area, if Needmore Motor Speedway officials require the need for removal of parts for inspection.
  25. During any weekend racing event, any car changing engines between qualifying, heats or features will be penalized by starting at the rear of the field.
  • Flag Rules
  1. Flagman starts the race.
  2. Red Flag: Danger, STOP as quickly as possible DO NOT pass the flagman or other cars.
  3. Green Flag: Displayed to start or restart race.
  4. Yellow Flag: CAUTION: Slow the racecar to the slowest possible speed.  DO NOT pass other cars or race back to the flag stand.  Lapped cars will maintain position on the track.  Scoring reverts to the last green flag lap.
  5. Blue Flag with Yellow Stripe: Passing Flag, Cars being lapped must move to the inside of the track.
  6. Black Flag: Any car receiving the black flag must go to the pits for consultation with track officials. Failure to obey the black flag will result in disqualification or other action.  If black-flagged for disciplinary problems, the driver does not get any points or pay for the event.
  7. White Flag: Designates the last lap of the race.
  8. Checkered Flag: Designates the end of the race.
  9. Pace Car or Truck: If either is used, do not pass the pace vehicle on the track.
  • Protest and Inspection
  1. Track technical inspectors are in charge of technical and safety inspections and procedures pertaining thereto. Their decisions are final!
  2. Protest shall not be official, unless filed in writing to the track officials not more than ten (10) minutes after completion of the feature event for that racing class. The proper cash bond must accompany it. The 2nd place car can protest 1st place car.  A reverse protest is allowed.  If protest is withdrawn, the track retains 25% of the protest fees.  Only Top 3 can be protested.
  3. Any car involved in a protest will be impounded in an area designated by track officials and it must remain until their inspection is complete.
  4. Protest for visual violations require no fee and must be files in writing at least ten (10) minutes before the start of the race. “Visual” refers to anything outwardly visible, whether under the hood or not.
  5. Any parts suspected of being illegal may be confiscated.
  6. If found illegal, the protested driver forfeits all money won at the event. Drivers refusing to tear down will be considered the same as being illegal.  If car us disqualified three (3) times the owner must prove car is in compliance with Needmore Speedway rules before racing again.
  7. If in the process of an inspection, the officials see a non-protested item deemed to be an intentional attempt at circumventing the rules and regulation, the inspection will cease, and the car will be declared illegal.
  8. Only the following people can be present at protest or track initiated inspections; track officials, two (2) people from the protested team, and one (1) representative from the protesting team. Only tech official can use tech equipment.  No other drivers or team members allowed.  Drivers are responsible for their crews at protest or inspections and any misconduct or use of alcohol beverages may result in disqualification, forfeiture of the protest bond and other actions.
  9. Track officials reserved the right to require any part of any race car to be disassembled at any time for inspection.
  10. In the event of a protest or track initiated inspection, the payoff of the event winning may be held up until results are finalized. They will be distributed at the discretion of the track officials.
  11. Any item deemed in questions during a protest will be handled by track staff on Monday.
  12. Protest Fees
  • Complete Engine $1000 All Classes
  • Upper Part of Engine $600 All Classes
  • Rear End $200 All Classes
  • Fly Wheel $200 All Classes
  • Cam Shaft $200 All Classes
  • Transmission $200 All Classes
  • P & G $200 All Classes
  1. Track Retains 50% of all Protest Fees!!
  2. NOTE: Complete engine means complete. Upper part of the engine refers to heads, carburetor, intake, and bore and cam lift, if applicable.
  • Effective January 1, 2019

No tire prep policy in effect.  All tires are subject to tire sampling at any given time.  However, tires may be siped.   Grooving OK.  Anyone caught tire prepping is subject to a fine and/or suspension.  Tire Prep is not only a health hazard to the drivers and fans but has become environmentally unfriendly.  Complaints and questions from fans about how strong smells and burning eyes have raised concerns at many tracks.  Due to this concern, we as responsible track owners are trying to make every effort to make an enjoyable, safe and competitive race facility.  Thanks for your understanding but more important your support.

2019 Late Model Rules

 

LATE MODEL DIVISION

  1. Crate Late Model Engine Rules
    1. Engines
      1. GM part number #88958602 and GM part number 88958604
      2. These engines are sealed at the intake manifold, cylinder head, front cover, and oil pan with special twist off bolt heads originally from GM. Crate USA seals allowed, no RM bolts, for any other sealing system contact Crate Racing USA for approval.  Crate engines must not be altered, modified or changed from factory specs.
  • The sealed engines must remain intact and not be tampered with; any seals that have been removed or tampered with will make the engine illegal and not eligible for competition.
  1. No changes are allowed to the engine- intake manifold, heads, valve covers, front cover, oil pan, harmonic balancer or any other part/ or parts on/ or in engine.
  2. After much research Nesmith Dirt Late Model Series officials, along with GM Officials, have determined on some cases that original factory cylinder heads and valve springs do not meet the required correct install height. To correct this, shimming will be allowed to meet the correct install heights listed in the chart below.  These updates will be published in a forthcoming version of the GM Technical/ Specification Manual.
  3. Valve Spring Specification- New Description 88958602, 88958603, 88958604 Valve Spring P/N 10212811, 12551483, 12551483 Valve Spring P/N- set of 16 n/a 12495494, 12495494 Diameter (+/- .10”) (A) 1.250”, 1.340” 1.340” Free Height (+/- 0.15”) (B) 2.021”, 2.154”, 2154”. Installed Height (OK to shim to proper height) (C) 1.70”, 1.780”, 1.780” Pressure @ installed Height (+/-5 lbs) (D) 80 lbs, 110 lbs, 110lbs Open Height (E) 1.270”, 1.300”, 1.300”  Open Pressure (+/- 10lbs) (F) 195 lbs, 270 lbs, 270 lbs Coil Bind (G) 1.20”, 1.21”, 1.21” Wire Diameter .177”, .178”, .178”
  • No vacuum pumps.
  • All crate engines must remain stock as they came sealed from the factory. Crate engines must not be altered, modified or changed from factory specs.
  1. Engine’s GM serial number and when applicable Crate USA build certification number, must be clearly visible to series technical inspectors.
  2. b) Engine setback rule:
  3. Will be 6” from center 6” center of top ball joint to the #1 spark plug with a 1-inch tolerance on engine setback. There will be a 50 lb. penalty forward of the motor plate for each ½- inch of set- back beyond seven (7) inches of engine setback. No cars with more than eight (8) inch engine setback will be allowed to compete.
  4. Carburetor rules: One four –barrel carburetor only of any manufacture.
  5. Engine must be naturally aspirated
  6. 604- may use one carburetor spacer (1 inch- one piece with .040 tolerance maximum) and two standard paper gaskets (maximum 0.70- inch-thick), one gasket between intake to spacer and one gasket between spacer to carburetor.

iii. 602- may use one carburetor spacer (2 inch-one piece with .040 tolerance maximum) and two standard paper gaskets (maximum 0.070-inch-thick), one gasket between intake to space4 and one gasket between spacer to carburetor.

  1. Distributor Rule: Any electronic distributor-type ignition system. No crank trigger, distributor-less multi-coil, or magneto ignition system.
  2. d) Starter Rule:
  3. All cars must starter in working order.
  4. e) Exhaust Order
  5. Collector type headers required. Must have four (4) tubes into one (1) collector of a consistent diameter.
  6. Mufflers not required unless track mandates. When mandated muffler’s must have some type of internal noise dampening characteristics, baffles, extruded holes, screen, chambered, etc. Mufflers must meet local speedway’s noise decibel requirements.

iii. No tri-y headers or merged headers allowed

  1. No square-tube headers allowed
  2. f) Fuel Cell/ Fuel Pump Rules:
  3. An approved fuel cell (32 gallons maximum) must be securely mounted in the trunk area of the car, inside a .20 gauge metal box supported by a minimum of two 2” by 1/8” steel straps.

iii. All fuel cells must be completely visible from rear of car.

  1. Gasoline or racing gas only. E85 OK, no methanol, or alcohol- no nitrous oxide. No propylene oxide, or chemical additives.  Fuels must have a specific gravity of less than .745.  Any fuel with a specific gravity of .745 or greater will be disqualified.  It is the racers responsibility. To know what he/she is putting in the fuel cell.  The new YP CHP racing fuel is strongly recommended, as it is specially formulated for the GM performance circle track engines for maximum performance and durability.
  2. No electric fuel pumps
  3. g) CT 525 Crate Engine Rules
  4. Must meet NeSmith Series rules for CT525 including programming of MSD box.

h)Weight Rules

  1. GM CRATE ENGINE #88958602-2200 lbs. AT QUALIFYING, 12 INCH MAXIMUM REAR SPOILER OK, 1LB PER LAP BURN OFF ON HEATS, CONSYS, & FEATURE RACE.  (GREEN FLAG LAPS ONLY) Nesmith body rules allowed with crate engine.
  2. GM CRATE ENGINE #88958604-2200 lbs. AT QUALIFYING, 12 INCH MAXIMUM REAR SPOILER OK, 1 LB PER LAP BURN OFF ON HEATS, CONSYS, AND FEATURE RACE. (GREEN FLAG LAPS ONLY) Nesmith body rules allowed with crate engines.

iii.  STLMS Spec Engine 2300 lbs. 1 pound per lap burn off on heats, last chance, and feature races, green flag laps ONLY.  Track scales are the Official scales of the race weekend.

  1. CT 525 Engine 2400 lbs. 1 pound per lap burn off on heats, last chance, and feature races, green flag laps ONLY. Track scales are the Official scales of the race weekend.
  2. Attached weight must be securely bolted to frame with ½” or larger bolts. Weight must be painted white with car number displayed.  Penalty for losing attached weight on the race track is disqualification from the event.
  3. Southern Thunder Chevy Engine Rules
  4. Engine in car must match manufacturer of body used. Example: Ford Thunderbird must run Ford Engine: Camaro must use Chevy Engine: Dodge Intrepid must run Mopar Engine.
  5. Chevrolet 350 cubic inch + .060.

iii. Cast iron blocks ONLY. Factory production, GM Performance Parts, World Producers, or Dart blocks as long as block remains same configuration of Stock Chevy blocks.  No lightening of any block allowed.

  1. Must have stock oiling systems. No dry sump systems.
  2. May have straps on stock main caps. After market steel caps-straight bolt or angle splayed cap OK.
  3. No oversize valve lifter holes.

vii. Oil coolers OK

viii. ACCU sump OK- Pressurized ACCU sumps OK

ix Crankshaft Rules:

  1. Crank must be factory stock stroke.
  2. Stock stroke for engine used 3.48” Chevy
  3. Balancing OK
  4. Cross Drilling OK
  5. No knife edge or winged cranks
  6. Any aftermarket forged steel or cast production type crank stock stroke for engine used. No Billets. Minimum rod pin diameter 2.00 inch.
  7. Crank weight 48 lbs minimum Chevy engine.

 

  1. Connecting Rods
  1. Any forged steel connecting rod with the following dimensions: 7/16 rod bolt, 5.7” connecting rods not to exceed $750.00 cost.
  2. May polish beams
  3. May use aftermarket rod bolts.
  4. No Titanium Rods- No Carillo Rods.
  5. No profiling of rods, no CNC machining of center of beam, no removing of manufacture name and rod size.
    1. “I” Beam Rods Allowed:
  6. Crower 5.7 SP93205B—8 5.7
  7. Eagle SIR5700BBLW 5.7
  8. K-1 CF5700ALLB 8 5.7
  9. Manley 14101-8 5.7
  10. Pro-Comp PC 4112 5.7
  11. Scat 2- ICR5700-7/16 5.7
    • “H” Beam Rods Allowed:
  12. Eagle CRS5700BLW 5.7
  13. Callies-Compstar CSA5700DS2A2AH 5.7
  14. K-1 CH5700-ALL BB 5.7
  15. Manley 14050-8 5.7
  16. Pro Comp PC4131 5.7
    • Pistons
  17. Any flat top piston
    • Engine Balancing
  18. Engine balancing permitted
    1. Harmonic balancer
  19. Any Harmonic Balance
  20. Balancer may be pinned
    • Heads
  21. Chevy, OEM or Performance cast iron heads, or Brodix “SPEC” aluminum heads, only heads permitted.
  22. Milling heads accepted.
  23. Multi angle valve job permitted
  24. Maximum intake valve size 2.02”, Maximum Exhaust valve size 1.6”, Hollow Stem valves permitted.
  25. NO titanium valves permitted
  26. May use any valve spring, valve retainer, oversize valve stem, lash cap, any steel pushrod, screw in studs, guide plates, stud girdle, any stud mount roller rockers, Stud must go through center rockers.
  27. NO shaft mounted rocker systems.
  28. No porting, polishing, gasket matching, or coating on inside of head runners. No epoxying in runners. No short side radius-ing. Must be able to see and fell the defined raised lip of original bowl in the cylinder head, in all areas of the bowl, AND all bowl work must remain concentric with the valve guide, and NO machined or grinding work more than .750”.  Any work done more than .750” below bottom valve seat will be deemed port work NOT part of the valve job.  Any completely smooth blends, of the bowl on the short side (even though you can see where the cutter stops) will be considered short siding, again must be able to see and feel the defined raised lip of the original bowl.
  29. NO altered or ground off casting numbers
  30. Chevy Vortec head permitted casting No’s 12554290-10125320-12552520-13555690-10239906-&062. Total intake runner volume not to exceed 173CC. Total runner volume Exhaust runner not to exceed 64CC.
  31. Chevy Phase II cast iron bow tie head (new style), part number 1013492, casting number 140110034 allowed. Maximum runner volume on intake not to exceed 184CC.
  32. New Chevy Vortec/ Bowtie Head part # 25534351 OK. Maximum runner volume 186CC. Maximum Exhaust runner volume 69CC.
  33. Dart Iron eagle 180 head permitted (part #’s 10110010, 10110010F, 10120010). 182CC Maximum intake runner volume, 77CC maximum exhaust volume 2.02” Intake valve max, and 1.6” exhaust valve max. NO machined cuts more than .700” below valve set. NO Iron Eagle 200, 215, or 200, 215 Platinum heads allowed.
  34. 5/16 valve stems permitted.
    • Intake Manifold
  35. Any cast iron or aluminum intake
  36. No porting, polishing, squaring/gasket matching or ports. When using SPEC aluminum heads, you may gasket match intake port opening no more than ½” (.500”) deep into runner NO MATCHING ON HEAD SIDE…
  37. May run 1” spacer (1 INCH-ONE PIECE WITH .40 TOLERANCE MAXIMUM) AND TWO STANDARD PAPER GASKETS (MAXIMUM 0.070-INCH-THICK) , ONE GASKET BETWEEEN INTAKE TO SPACER AND ONE GASKET BETWEEN SPACER TO CARBURETOR.
  38. 602- MAY USE ONE CARBURETOR SPACER (2 INCH-ONE PIECE WITH .040 TOLERNACE MAXIMUM) AND TWO STANDAED PAPER GASKETS (MAXIMUM 0.070-INCH0THICK), ONE GASKET BETWEEN INTAKE TO SPACER AND ONE GASKET BETWEEN SPACER TO CARBURETOR.
  39. Turtle OK not altered
  40. Total adapter not to exceed 1” total. Anything mounted between carburetor and intake is considered spacer, and cannot exceed 1” total.
  41. Directional spacers OK
  42. All intakes must be from a recognized name brand intake manufacture, ex Edelbrock, Brodix, Holley, Weiand, etc. MUST have manufacturers name and part number intact and unaltered. NO import manifolds allowed.
    • Camshaft
  43. Any flat tappet cam
  44. Stock diameter lifters ONLY .842”, OEM size3 to make of engine. NO ceramic foot lifters allowed, all lifters must have a magnetic base.
  45. NO roller cams or lifters
  46. Cast iron stick ONLY, NO billet cams.
    • Timing Gears
  47. Timing chain and gears ONLY
  48. No gear drives, or belt drives
    1. Carburetor
  49. Any 750 CFM with 750 base plates with all ventures throttle shafts and butterflies meeting factory specs. Will be checked with go no go gauges.
  50. May remove chocked butterfly
  51. Holley 3310 Mat drill idle holes in primary butterflies. There should be NO half, or flat throttle shafts in the primary side of the carburetor’s base plate.

*The primary throttle shaft, with a 172 butterfly should be a minimum of .1868” thick

*The secondary round shaft, with a 172 butterfly should be a minimum of .1828” thick.

* The secondary half or flat shaft with a 172 butterfly, should be a minimum of .1228 thick

* Billet base plate allowed must meet factory Holley specs. On throttle bores, and above throttle shaft specs.

* Note: Checked with go-no-go gauges.

  1. May install secondary jet metering plates, billet metering plate allowed.
  2. May NOT remove choke horn on 3310
  3. NO porting or polishing
  4. Ford 735 CFM. OK, Secondary throttle screw OK.
  5. Four corner idle OK
  6. Carbs checked with GO-No-Go- Gauges

xxi. Fuel Pump and Fuel Cell

  1. No electric fuel pumps
  2. Steel case on fuel cell recommended

Xxii Water Pump

  1. Stock mount ONLY
  2. Electric fans OK

Xxiii Ignition

  1. Any battery operated
  2. No crank trigger ignition, and NO magnetos
  3. NO Electronic Traction Control Device!!
  4. MSD Boxes may not be mounted in drivers’ cockpit.

Xxiv Radiator

  1. Must be close to stock location, mounted in front of the motor.

Xxv Starter

  1. Must have operating starter.
  2. Southern Thunder Late Models- Ford Engine Rules
  3. Heads
  4. Sportsman M-6049-N351 or M6049-N352 heads allowed. No after-market heads. N351 head maximum intake runner volume 195CC, Exhaust runners 800CC maximum.  V352 head maximum exhaust runner volume 77CC. Combustion chamber volume either head, 62CC. NO tolerance. Maximum valve size 2.02” intake, & 1.65” exhaust.  May use Bodix “SPEC” aluminum heads, Brodix Spec Head 60CC minimum combustion chamber. Hollow stem valves permitted any head. No angle milling ford Brodix spec head!!
  5. Cylinder head must be un-ported. NO epoxying in runners. No short side radius-ing.  Must be able to see and feel the defined raised lip of the original bowl in the cylinder head, in all areas of the bowl, AND all bowl work must remain concentric with the valve guide, and NO machined or grinding work more than .750”.  Any work done more than .750” below bottom valve seat will be deemed port work NOT part of the valve job.  Any completely smooth blernds, og the bowl on the short side (even though you can see where the cutter stops) will be considered short siding, again must be able to see and feel the defined raised lip of the original bowl.
  6. Stud mount rockers ONLY, stud must go through center of focker arm. No shaft mount rockers.
  7. 5/16 valve stems permitted.
  8. Block
  9. M6010-D351, M351 or N351 are acceptable blocks. N351 block will cost the racer the least amount of money on machine work and would be preferred.
  10. Dart Block Part # 31384195, and 31385195 allowed. World Products Block part # 087150 and 087152 allowed.
  11. No lightening of engine blocks allowed.

III. Crankshaft

  1. Any cast or forged steel (No billets) crankshaft must have stock stroke of 3.50” and weigh a minimum of 54 lbs. No knife edging or winging of cranks. Ford part # M-6303-G351 is a good place to start. The M-6303-G351 is to lite.
  2. Ford may run after market crankshaft, but must meet all of the above criteria.
  3. Oil Pump
  4. Wet sump oil system, or we may use an external single stage belt driven oil pump. Oil must be pumped from, and returned to oil pan.
  5. Connecting Rods
  6. Any forged steel rod, 6” maximum length, 7/16 rod bolts permitted. Connecting rods not to exceed &750.00 to cost
  7. “I” beam Rods Allowed:
  8. Crower 6”

ii Eagle 6”

iii K-1 6”

  1. Manley 6”
  2. Pro-comp 6”
  3. Scrat 6”

c “H: Beams Rods Allowed:

I Eagle 6”

Ii Callies-Compstar 6”

Iii K-1 6”

Iv manley 6”

  1. Procomp 6”
  2. NO billet rods, or Carillo rods.

e May polish beams, No profiling or CNC machining in center of beams.

  1. manufacturer’s name and Rod size must remain on rod.
  2. Pistons
  3. Any flat top piston
  4. Engine Balancing
  5. Engine Balancing permitted
  6. Camshafts
  7. Any flat tappet cam
  8. stock diameter lifter ONLY…875”, OEM size to make of engine, NO ceramic foot lifters allowed, all lifters must have a magnetic base..

iii. NO roller cams or lifters

  1. Cats iron stick ONLY, NO billet cams.
  2. Timing Gears
  3. Timing chain and geras ONLY

ii NO gear drives, or belt drives

  1. Intake Manifold
  2. Any cast iron or aluminum intake
  3. No porting, polishing, squaring/gasket matching of ports. When using SPEC aluminum heads, you may gasket match intake port opening no more than ½” (.500”) deep into runner.  NO MATCHING ON HEAD SIDE>

iii. May run 1” spacer (1 INCH -ONE PIECE WITH .040 TOLERANCE MAXIMUM) AND TWO STANDARD PAPER GASKETS(MAXIMUM 0.070-INCH- THICK), ONE GASKET BETWEEN INTAKE TO SPACER AND ONE GASKET BETWEEN SPACER TO CARBURETOR.

  1. 602- MAY USE ONE CARBURETOR FOR SPACER (2 INCH-ONE PIECE WITH .040 TOLERANCE MAXIMUM) AND TWO STANDARD PAPER GASKETS (MAXIMUM 0.070-INCH THICK) ONE GASKET BETWEEN INTAKE TO SPACER AND ONE GASKET BETWEEN SPACER TO CARBURETOR Turtle ok not altered.
  2. Total adapter not to exceed 1” total. Anything mounted between carburetor and intake is considered spacer and cannot exceed 1” total.

Vi Directional Spacers OK

Vii All intakes must be from a recognized name brand intake manufacturer, ex Edelbrock, Brodix, Hoilley, Weiand, ets.  MUST have manufacturer name and part number intact and unaltered. NO import manifolds allowed.

  1. Carburetor
  2. Any 750 CFM with 750 base plates with all ventures throttle shafts and butterflies meeting factory specs.  Will be checked with go-no-go gauges.

Ii .May remove choke butterfly

iii. May drill idle holes in primary butterflies, There should be NO half, or  flat throttle shafts in the primary side of the carburetor’s base plate.

  1. The primary throttle shaft, with 172 butterfly should be a min of .1868” thick
  2. The secondary round shaft, with a 172 butterfly should be a min of .1828” thick
  3. The secondary half or flat shaft with a 172 butterfly, should be a min of .1228 thick
  4. Billet base plate allowed must meet factory Holley specs. On throttle bores, and above throttle shaft specs.

Note:  Checked with go-no-go gauges

  1. May install secondary jet metering plate, Billet metering plate allowed.
  2. Holley 3310 may NOT remove choke horn

vi NO porting or polishing

vii. Ford 735 CFM Ok, Secondary Throttle screw OK

viii Four corner idle OK

ix Carbs checked with Go-No-GO gauges

  1. Fuel Pump and Fuel Cell
  2. Belt Drive Pumps OK!!

Ii. NO electric fuel pumps

Iii Steel case on fuel cell recommended

 

  1. Water Pump

I  stock mount Only

Ii Electric fans OK

  1. Ignition
  2. Any battery operated

ii No crank trigger ignition, NA NO Magnetos

iii NO electronic Traction Control device

  1. MSD Boxes may be not be mounted in driver’s cockpit

p Radiator

I Must be close to stock location, mounted in front of the motor.

  1. Starter
  2. Must have operating starter
  3. Mopar Engine Rules
  4. Block- Mopar
    1. 360 Mopar production cast iron blocks permitted, also permitted is the Mopar performance cast iron “A” engine block or R3 block part #P4876792AB (59 degree valve tappet) is a good starting point World Products, or Dart Blocks allowed must remain the same configuration of stock Mopar blocks.
    2. Blocks may ONLY have a maximum cylinder bore of 4.030”
    3. Wet sumo oil system ONLY, NO dry sumps
  5. Crankshaft-Mopar
    1. Any forged steel or cast cranks ONLY. NO Billets. Mopar performance crankshafts part #P5007253A is a good start. Must have stock stroke 3.58” , 50 lb minimum weight. Minimum rod pin diameter 2.100” NO knife, edging, or winging of crankshaft. Balancing permitted.
  6. Connecting Rods- Mopar
    1. Any forged steel rod, 6” maximum length, 7/16 rod bolts permitted. Connecting rods not to exceed $750 cost
    2. No Billet rods, or Carillo rods.
    3. May polish beams, No profiling of CNC machining in center of beams.
    4. Manufacturers’ name and rod size must remain on rod.
  7. “I” Beam Rods Allowed- Mopar
  8. Crower 6”

ii Eagle 6”

iii K-1 6”

  1. Manley 6”
  2. Pro-comp 6”
  3. Scrat 6”
  4. “H”: Beams Rods Allowed:

I Eagle 6”

ii Callies-Compstar 6”

iii K-1 6”

Iv manley 6”

  1. Pro-comp 6”
  2. Pistons
  3. Any flat top piston permitted
  4. Harmonic Balancer
  5. Any harmonic balancer permitted
  6. Cylinder Heads- Mopar
  7. Mopar W2 cast iron cylinder head permitted part number P5249769 (59- degree block) 180CC max intake runner volume, & 78CC max exhaust runner volume. P5007445 (48 degree block) 190CC max intake runner volume, 78CC max exhaust runner volume, or P5007445AB 196CC max intake runner volume, 78CC max exhaust runner volume, and casting numbers must remain on head unaltered. 6CC minimum combustion chamber volume. NO TOLERANCE. May use Brodix “SPEC” aluminum heads. 2.2.02” max intake valve diameter, and 1.60” max exhaust valve diameter. NO titanium valves, Steel or Stainless steel valves ONLY. 11/32” min valve stem diameter. Multi angle valve job permitted. Hollow Stem Valves permitted and any cylinder head.
  8. No porting, polishing, gasket matching, or epoxying of runner. No short sided

radius-iing. No bowl work more than .500:” Must be able to see and feel the defined raised lip of the original bowl in the cylinder head, in all area of the bowl, AND ALL bowl work must remain concentric with the valve guide, and any completely smooth blends, of the bowl on the short side (even tough you can see where the cutter stop) will be considered short siding, again must be able to see and feel the defined raised lip of the original bowl. Milling of heads of accepted, (note combustion chamber limit above)

  1. May use any diameter vlave spring. Any valve retainer, 11/32” min valve stem diameter. Any steel push rod. Steel valve keepers ONLY. Mopar may run shaft mounted rocker system. 5/16 valve stem permitted.
  2. Intake Manifold- Mopar
  1. Any cast iron or aluminum intake
  2. No porting, polishing, squaring/gasket matching of ports. When usinmg SPAC aluminum heads, you may gasket match intake port opening no more than ½” (.500”) deep into runner. NO MATCHING ON HEAD SIDE.
  3. May run 1” spacer (1 INCH -ONE PIECE WITH .040 TOLERANCE MAXIMUM) AND TWO STANMDARD PAPER GASKETS (M AXIMUM 0.070- INCH THICK)ONE AGASKET BETWEEN INATKE TO SPACER AND ONE GASKET BETWEEN SPACER TO CARBURETOR.
  4. 602- MAY use one carburetor spacer (2 inch-one piece with .040 tolerance maximum) and two standard paper gaskets (maximum 0.070-inch-thick), one gasket between intake to space4 and one gasket between spacer to carburetor.
  5. Turtle OK not altered
  6. Total adapter not to exceed 1” total. Anything mounted between carburetor and intake is considered spacer , and cannot exceed 1” total.
  7. Directiona spacers OK
  8. All intakes must be from a recognized name brand manufacturer, ex. Edelbrock. Brodix, Holley, Weiand, etc. MUST have manufacturer name and part number intact and unaltered. NO import manifolds allowed.
  9. Camshaft-Mopar
  10. Any flat Tappet cam
  11. Stock diameter lifter ONLY .904”, OEM size to make of engine, NO caramic foot lifters allowed, all lifters must have a magnetic base.
  12. No roller cams or lifters
  13. Cast iron stick ONLY, NO Billet cams.
  14. Timing Gear-Mopar
  15. Timing chain and gears ONLY
  16. NO gear drives, or belt drives
  17. Carburetor-Mopar
  18. Any 750 CFM with 750 base plates with all ventures throttle shafts and butterflies meeting factory specs.  Will be checked with go-no-go gauges.
  19. May remove choke butterfly
  20. May drill idle holes in primary butterflies, There should be NO half, or flat throttle shafts in the primary side of the carburetor’s base plate.
    1. The primary throttle shaft, with 172 butterfly should be a min of .1868” thick
    2. The secondary round shaft, with a 172 butterfly should be a min of .1828” thick
    3. The secondary half or flat shaft with a 172 butterfly, should be a min of .1228 thick
    4. Billet base plate allowed must meet factory Holley specs. On throttle bores, and above throttle shaft specs.

Note:  Checked with go-no-go gauges

  1. May install secondary jet metering plate, Billet metering plate allowed.
  2. Holley 3310 may NOT remove choke horn
  3. NO porting or polishing
  4.                Ford 735 CFM Ok, Secondary Throttle screw OK
  5. Four corner idle OK

I .Carbs checked with Go-No-GO gauges

  1. Fuel Pump and Fuel Cell-Mopar
  2. Belt Drive Pumps OK!!
  3. NO electric fuel pumps

c Steel case on fuel cell recommended

 

n.Water Pump

  1. stock mount Only
  2. Electric fans OK

 

  1. Ignition-Mopar
  2. Any battery operated

ii No crank trigger ignition, NA NO Magnetos

iii NO electronic Traction Control device

  1. MSD Boxes may be not be mounted in driver’s cockpit
  2. Radiator

I Must be close to stock location, mounted in front of the motor.

VII Chassis-Late Models

  1. Any Late Model Chassis allowed. Stock Clip, Square tube or round tube. NO aluminum frames or front clips on chassis, square tube frames must be a minimum of 2”x2” tubing, round tube must be a minimum of 1 ¾” tubing.
  2. Full racing roll cage mandatory, 1 ½ OD x .90 steel tubing minimum.
  3. Engine Location, 6 ½” from center of cross member to #1 spark plug on stock clip cars, 6 ½” from center of upper control arm mount to #1 spark plug on full jig cars or 25 ½” from mid plate to center of upper control arm mount measure on left side only, ½” tolerance. 50 lb penalty per full inch that engine is set back to fa, weight must be mounted in front of engine block. Ex. Engine set back 8” or 274” must add 50 lbs in front motor. 9” or 28” 100 lbs in front of motor.
  4. All fram and chassis components must be welded or bolted together. No sleeves, slip couplings, etc.

Viii. Shock and Suspension Rules- Late Models

  1. These shocks have been banned from competition with the Southern Thunder Late Model Series in 2017 (and 2018)
    1. Thru-rods style
    2. Cross over, in which two shocks work in tandem
    3. Shocks adjusted electronically via cell phone apps.
    4. Penske’s Cambridge University developed inerter shock.
    5. NO AIR SHOCKS/ NO AIR DEVICE/AIR DUMPS
  2. No cockpit or driver adjustable shocks, hydraulic or pneumatic weight jack, trackers, MSD boxes or similar adjustable components of any kind are permitted.  The offending component must be removed from the cockpit.  No data acquisition devices allowed.
  3. Shocks will be checked not just during pre-race tech, but may also be checked at anytime by, after qualifying, heat races, B mains and feature event.
  4. STANDARD LATE MODEL SUSPENSIONS ONLY. NO SPRING LOADED OR SHOCK TYPE 4 BAR RODS. ONLY STANDARD SOLID BAR 4 BAR RODS. NO TORSION BAR FRONT OR REAR SUSPENSION. SWAY BAR OK.
  5. STANDARD ONE PIECE BIRD CAGES, NO SPLIT BIRD CAGES.
  6. STANDARD LATE MODEL SUSPENSIONS EQUALS, 1 SHOCK PER WHELL, EXCEPT LEFT REAR. LEFT REAR IS ALLOWED TWO SHOCKS, ONE IN FRONT OF REAR END, AND 1 BEHIND. SHOCKS MUST BE MOUNTED VERTICLE TO AXLE TUBE, NOT HORIZONTAL.

 

 

  1. Tires- Late Models
  2. Hoosier, Spec 21, HTS 1350, NRM 70, D55, Crate 21
  3. No treating

c.Siping is allowed. May groove tires.

  1. **Tire samples will be taken at selected events**
  2. 45 punch rules at all times
  3. Body-Late Model
  4. Stock appearing aftermarket accepted. May be made of steel, aluminum or fiberglass.
  5. NO wedge style bodies, NO roof mounted wings or spoilers allowed.
  6. Nose and roof must match body style.
  7. Floor boards, and fire wall must cover the driver’s area and be constructed to provide maximum safety.
  8. Driver’s seat must remain in same general area as the genarl design.
  9. Windshield screen or bars are mandatory.
  10. Numbers and Lettering should be neat, numbers should be at least 18” high, and are required on doors and roof.
  11. No fins or raised lips of any kind permitted anywhere the entire length of car. Body line must be smooth and even from front to rear.
  12. NO bump bars of any kind.
  13. All body measurements one-inch maximum tolerance.
  14. No wings or tunnels of any kind are permitted underneath the body or chassis of the car. A maximum of 1 (one) stone deflector. The deflector may be made of steel, aluminum, carbon fiber, or heavy gauge wire.  It can run from rear of motor mount to in front of the four bar brackets not to cover bracket.  Not to be above the top frames rail. Not to exceed below the bottom frame rail.
  15. Nose Piece- Body-Late Models
  16. Must have stock nose. NO wedge noses.
  17. Must be made of molded type material 20” bottom to top.

iii.Two -piece nose must be fastened together in center. NO spacers to gain width.  Must be mounted not to alter original shape.

  1. No cutting from bottom or sides. No adding to bottom at frontal area to achieve lower ground clearance.
  2. Stock nose piece can extend a maximum of 50” from center of front hub to farthest point extending forward.
  3. Front fender flairs must be made of plastic and can NOT alter shape of original nose piece. They can extend beyond front tire width with wheels pointed straight and must have collapsible support. (No steel supports).

vii. GM cars must run GM nose piece (ex. Monte Carlo), Ford cars must run Ford nose piece (ex. Mustang), Mopar must run Mopar nose piece (ex. Charger)

  1. Roofs and Roof Supports- Body-Late Models
  2. Must be stock appearing and mounted level. 45” maximum height from ground.
  3. Must be mounted parallel to body and near center of car.

iii.Minimum material 41” long by 46” wide. Maximum material 45” long by 54” wide. NO lips on rear of roof.

Iv Fiberglass roofs OK

  1. All roof side panels must extend to edge of body. Rear roof supports (C pillars) may be curved, no more than 3” of curve at widest point, measured with a straight edge from roof edge to body edge.  Supports must be max of 18” at top where mounts to roof, tapered to max 3” high at rear of support, with base or bottom a maximum of 40” long.  If rear supports have window opening, both must be either open or closed, NOT 1 open and 1 closed.
  2. Any sun shields (4 maximum) must be hinged for easy exiting.

vii. Front roof supports can be no more or less than 2” wide by 24” long must be flat, no arched roof supports on front.

  1. Front Fenders and Hood- Body-Late Models
  2. Must be level and flat from left to right side of car.

ii.Fenders cannot gain height from rear to front of car.

Iii NO part of fenders or hood can be below outside body line.

  1. Doors- Body-Late Models

i.At NO point can door side break inward toward center of car.

  1. Interior
  2. Interior may be dropped inward to the middle of the car no more than 3” below the top of the doors and must be at least 12” below the roll cage, (1” tolerance)
  3. Interior must gradually taper up to the quarter panel height and be level from 32” from the rear of the quarter panel.

Iii Interior (decking) must be fastened flush at the top of the doors and quarter panels. And may taper gradually towards the center of the car, not creating a lip effect, with a minimum of 8” taper.

q.Quarter Panels- Body-Late Models

  1. NO offset quarter panels, except erqual taper towards the center of the car.
  2. Tire clearance from body must be at least 2”. NO wheel skirts.

iii At No point can quarter panels break in towards center of car.

Iv .Quarter panels should measure a maximum of 46” from center of rear end to rear edge of quarter panel, 52” maximum from center of rear end to top corner of quarter panel where spoiler mounts. Quarter panels must be a maximum of 39” high from ground to top rear corner of quarter panel (all measurements 1” tolerance).

 

  1. Spoiler- Body-late Models
  2. Rear spoiler must be manufactured of a sturdy material such as lexan, or aluminum.
  3. Rear spoiler material can be 8” wide maximum of total material, measured from deck to tip of material. Maximum width of spoiler is 72” wide.

Iii Rear spoiler cannot be mounted above the deck to create a wing effect.

  1. Spoiler must begin where quarter panels end. NO extended decks.
  2. Spoilers supports must be a maximum of 18” long across bottom, measured where support meets deck. Maximum 3” high in front, and a maximum of 8” at its highest point, at rear measured from top of rear deck. Supports may be squared off at top of support at the rear, 6” wide maximum. Top edge may have rolled or lipped a maximum of 1” for added strenghth and support
  3. 604 Crate 12-inch spoiler
  4. Seats-Bady-Late Models
  5. All cars without Full Containment Seat will be required to have window net.

2019 Georgia/FL Late Model

Georgia Late Model Division

Chassis/Frame

 

A.) The minimum wheel base will be 103”.

B.) All frames must be fabricated from magnetic steel with a minimum of 2” x 2” or approved

rectangular magnetic steel with a minimum material thickness of .083”.

C.) A minimum of 1.75” Outside Diameter magnetic steel tubing, 4130 Chrome Moly or DOM

with a minimum material thickness of .083”, will be permitted for frames that are fabricated

from round tubing.

D.) Rear bumpers that are stubbed may only extend a maximum of 8” beyond the frame. Any

stubbed rear bumper that extends further than the maximum of 8” must be formed and directed

8” toward the front of the car.

E.) External rub rails will not be permitted.

F.) All cars must be equipped with a tow hook and/or strap for the purpose of towing.

G.) All battery supports and/or mounts must be secure and braced in two (2) horizontal positions

and one (1) vertical position.

 

Weight / Ballast

 

A.) Weights up to 50 lbs must be positively fastened by (2) 1/2″, minimum grade 5 bolts, with a

minimum of two weight clamps. Threaded rods will not be permitted. All weights must be

painted white and clearly labeled with the car number on it.

B.) Any weight(s) must be securely attached to the frame below the body decking.

C.) Any car that loses any weight/ballast during an event will be subject to a penalty.

D.) Weights attached to the rear bumper and/or outside the frame will not be permitted.

E.) Pellet-type and/or liquid-type weight/ballast will not be permitted. Tungsten will not

be permitted.

F.) Driver operated weight adjustment, ‘weight jacking’ devices will not be permitted.

G.) The scales used for the event, provided by the track, will be considered the official scales for

the event.

H.) Scales will be available for any team to verify its car weight and determine the scale weight.

I.) Officials will allow a car to re-scale two times by pulling off scale and pulling back on.

Reading of the third attempt will become the entered weight.

 

Body (Refer to diagrams attached)

 

Overall Appearance

A.) The car must be neat in appearance and must display the car number of the front nose and the

rear fuel cell. The minimum height for the number will be 6” inches.

B.) The car must have legible numbers on each side and on the roof a minimum of 18” inches

high.

 

 

General Body

A.) The nosepiece must match the body style of the make and manufacturer of the car and be the

same as the make and manufacturer of the motor (GM, Ford, Mopar).

B.) All cars must have a minimum half-inch (1/2”) and a maximum of one inch (1”) radius at the

top of fenders, doors and quarter panels. Sharp edge(s) will not be permitted.

C.) The floorboards and firewall must completely cover the driver’s area with no openings.

D.) Fins and/or lips of any-type will not be permitted anywhere along the entire length of the car.

E.) The bodyline must be a smooth even line from front to rear.

F.) Wedge shape cars and/or body styles will not be permitted.

G.) “Belly pans” or any type of enclosure on the bottom of the car will not be permitted. A skid

plate to protect the oil pan is permitted.

H.) Wings and/or tunnels and/or any type of air deflection device will not be permitted

underneath the body and/or chassis of the car.

I.) Panels of any type under the rear deck running from the front to the rear of the car will not

be permitted.

J.) Any style air cleaner scoop used must be positioned in front of/or around the air cleaner and

must not exceed 1” in height above any part of the air cleaner. Any type of flange and/or air

deflection device and/or fin that is designed to direct airflow will not be permitted.

K.) Cockpit adjustable components with the exception of brake bias adjusters will not be

permitted. Adjusters of any-type, including but not limited to adjustable shocks, hydraulic or

pneumatic weight jacks, trackers, ignition boxes or similar adjustable components will not be

permitted inside the cockpit of the car or within reach of the seated driver.

L.) The top edge, measured from the ground, of the rear quarter, door and front fender to the

point where the fender flare attaches must be a straight line, within 1” on both sides of the car.

 

Nosepiece

A.) Only approved nose pieces will be permitted.

  1. Dominator
  2. Five Star – Performance Bodies
  3. ARP

B.) Approved nose assemblies must be installed per the manufactures instructions. All nose

assemblies must meet the maximum/minimum dimensions, shall maintain manufacture

appearance and not be altered.

C.) All nosepieces must be made of molded type material.

D.) Nose filler panel shall be flat across entire surface, dishing or raising prohibited.

E.) Two piece noses must be positively fastened together in the center. Spacers added to gain

width will not be permitted.

F.) The nosepiece must be mounted in a manner that does not alter its original shape.

G.) The nose shall remain flat above the nose lip/wicker bill. Alterations and/or additions may be

made to this area other than cooling holes will not be permitted.

H.) The nosepiece can extend a maximum of fifty-two inches (52”) from the center of the front

hub to the farthest point extending forward.

 

 

Roof

A.) Roof length from front-to-back must be a minimum of 44” and a maximum of 54”.

B.) Roof width from side-to-side must be a minimum of 48” and a maximum of 52”.

C.) The roof must be stock appearing and be mounted level to the body.

D.) The minimum height of the roof will be 45” with a maximum height of 48”.

E.) The roof must be mounted parallel to the body and near the center of the car as viewed from

the front of the car.

 

F.) A maximum 1-1/2” roll, turned downward will be permitted along the front of edge of the

roof. A maximum1” roll, turned downward, will be permitted along the rear edge of the roof.

These modifications will be permitted to improve the strength of the roof. Any other

modifications to the roof will not be permitted.

G.) Flat and/or odd shaped roofs, bellied and/or hollowed roofs will not be permitted.

H.) Any sun/antiglare shields may not exceed a 4” drop from the top roof line, and must hinge

for easy exiting.

I.) A maximum of two (2) roof edge bead rolls of a maximum height of ½”- inch the length of

the roof will be permitted.

J.) The roof posts and spoiler support(s) may not overlap.

K.) Only single plated roofs will be permitted.

L.) The maximum thickness of the roof at any point will be 1/2”.

M.) The roll cage and associated frame members above the interior panels (decking) must remain

open. Enclosures will not be permitted.

 

Roof Supports and Window Side Panels

A.) All roof side panels must extend to the edge of the body.

B.) The roof side panel window size must be a minimum of 10” x 15” and must match drawing

number -2- side view. A maximum crown of  2” will be permitted, measured from the center of a

common tangent point on either side of the crown.

C.) The side window area may be covered with clear Lexan and/or equivalent type material, be

cut out and/or represented by a decal. Both roof support openings must be covered and/or both

must be left open. The left and right side openings must be the same size with a tolerance of 1”.

D.) The left and right side window panels must match.

E.) A maximum bow of 2” outward on the window side panels as viewed from behind will be

permitted.

F.) The front roof supports up to 2” in width must extend forward to the rear of the hood.

 

Front Fenders, Fender Flares and Hood

A.) The hood and the front fenders must be level and flat from the left to the right side of the car.

B.) The outside edges of the hood and/or the fender must remain inside the overall bodyline.

C.) The front fender may be a maximum of 37” in height, measured vertically from the ground to

the top of the fender behind the front tires.

D.) The front fender flares must be made of plastic and must not alter the original shape of the

nose piece.

E.) The front fender flares must not extend beyond the front tires more than 1” per side to a

maximum width, edge-to-edge, of 90” in width with the wheels pointed straight.

F.) The front fender flares must be flat across the entire width of the car. Front fender flairs shall

not extend, bubble or rise more than a maximum of 4” at any point of the front fenders and/or

hood.

G.) The front fender flares must have collapsible supports.

 

Doors

A.) The door-to-door measurement must not exceed 76” in width at the top of the doors.

B.) The door-to-door measurement must not exceed 82” in width when measured at the bottom

of the doors in the center of the car. The doors must not exceed 37” in height when measured

from the ground to the top of the door. The measurement from the ground to the top of the door,

on both sides of the car, right door and left door, must measure within a 1” variance.

 

C.) The door sides may not break inward from the top 76” and bottom 82” measurements.

Hollow and/or bellied doors will not be permitted.

D.) The minimum ground clearance will be 3”.

 

Quarter Panels

A.) The maximum distance from the center of the rear hub to the top quarter of the panel is 54”.

B.) The quarter panels must not exceed 76” in width at any point as measured at the top of the

panels.

C.) The rear deck must taper in a symmetrical manner from the center of the rear hub to the rear

spoiler with a minimum width of 72” and a maximum width of 76”.

D.) The maximum width for the quarter panels measured from outside to outside

measured 19” from the ground and/or at the bottom of the quarter panel will be 86”.

E.) Any breaks and/or bends formed in the sides of the quarter panel that move the panel toward

the center of the car will not be permitted. Hollow and/or bellied panels will not be permitted.

F.) The maximum distance from the center of the rear hub to the rear trailing edge of the quarter

panel will be 49”.

G.) G,) The maximum height from the ground to the top of the rear deck at the top of the rear

quarter panel is 40” checked pre-race.

H.) A minimum of 2” of tire clearance between the tire and the body will be required.

I.) Skirting that extends behind the rear quarter panel will not be permitted.

 

Spoilers and Spoiler Braces/Supports

A.) Only aluminum and/or Lexan and/or Lexan-type rear spoilers will be permitted.

B.) The maximum overall height of the rear spoiler will be 8”. The maximum width of the rear

spoiler, including braces and/or supports is 72”.

C.) The rear spoiler must begin at the deck and extend 8”-inches from that point. Suspending the

spoiler to create a wing-type device will not be permitted.

D.) The rear spoiler must begin at the rear most point of the quarter panels.

E.) Only three spoiler braces/supports will be permitted. The front edge of the spoiler

brace/support must be in line with the spoiler.

F.) The outside spoiler supports must not be mounted any wider than the top of the quarter

panel(s) and must be centered on the rear deck.

G.) In the event that aluminum angle is used to bracer the upper edge of the spoiler, the angle

must not add to the height and/or length of the spoiler in any way.

 

  • Interior

A.) The interior of the cockpit must be a minimum of 11” below the top of the roof and/or roll

cage, measured perpendicular to the ground from the bottom of the roof to the cockpit deck.

Roof rolls are not part of the measurement.

B.) The side window opening(s) must be 15” from the top of the door to the bottom of the roof.

C.) Supports bars that block the right window from the driver exiting will not be permitted.

D.) A single rock guard (Lexan screen) tapered back from the steering wheel to the height of 1”

in line with the driver’s chest providing the 11” minimum clearance is met at any point from the

roll cage to the body and/or rock guard.

E.) If the interior deck drops the drop must begin at the rear of the engine plate with a maximum

of 4” and must not drop below 4” rear of the hood. The start of the dropped interior must remain

closed as a part of the fire wall. The entire width must be closed off with sheet metal.

 

F.) The interior must gradually taper up to the quarter panel height and must be level for a

minimum of 20” from the rear of the quarter panel and deck.

 

Driver Compartment

A.) A full metal firewall fabricated from magnetic steel and/or aluminum must encompass the

driver’s compartment from front-to-rear, on both sides and floor boards.

B.) The driver’s seat must be a high back aluminum seat, designed for racing, located on the left

side of the car and mounted per the manufacturer’s instructions securely to the frame.

C.) The seat design should be one from a current manufacturer and/or recommended to include

the full containment design. Installation should follow the manufacturer’s instructions.

D.) All cars must be equipped with a quick-release type steering wheel.

E.) The driver compartment must have a starting switch and/or button within reach of the driver.

F.) A clearly labeled electrical on/off ‘kill’ switch within reach of the driver is recommended.

G.) Mirrors of any-type will not be permitted.

H.) Radios, electronic or data communication devices other than Raceceiver are not permitted.

I.) Any edge and/or sheet metal end in and around the driver compartment must be protected

with trim and/or beading and rounded. Sharp and protruding edges will not be permitted.

J.) A substantial rock guard with a minimum of three (3) additional roll bars must be mounted in

front of the driver.

 

Weight

A.) Cars utilizing a GM 602 crate engine (with any Carb.) or a Ford 347JR crate engine (with

Holley 4412 2-barrel) shall weigh a minimum of 2200 lbs. post-race minus 1 lb. per lap burn off.

B.) Cars utilizing a GM 604 crate engine or a Ford 347SR crate engine shall weigh a minimum

of 2450 lbs. post-race minus 1 lb. per lap burn off.

C.) Cars utilizing a rules specified built engine shall weigh a minimum of 2500 lbs. post-race

minus 1 lb. per lap burn off.

D.) Any car having an engine setback of more than 6” inches measured from #1 spark plug to

center of ball joint on the left front upper control arm shall add 25 lbs. of penalty weight for

every 1/2“ past 6”.

E.) Weight reduction bonuses to be taken off the minimum post-race weight are as follows

  1. 25 lbs. for the use of an approved head and neck restraint.
  2. 25 lbs. for the use of an approved full containment seat.
  3. 25 lbs. for the use of an approved non driver activated fire suppression system

 

  • Crate Engines

All crate engines shall remain sealed as per manufacturer or shall be rebuilt and sealed by

approved recognized national series approved rebuilder and shall follow all rules and guidelines

set forth by those national series for engines being used. (NESMITH, FASTRAK, SECA,

UCRA, UMP, IMCA, East Bay and Durrance and Lane .

 

Built Engines

 

A.) ONLY stock production steel V-8.

B.) 360 cubic inches maximum Ford and Chevrolet. 374 cubic inches maximum Dodge/Chrysler.

MUST utilize stock bore and stroke combinations. Small block engines ONLY.

C.) .060ths over bore permitted on all engines. Block may be surfaced. Pistons may not exceed

top of block more than one 10th. Measured without head gasket.

D.) Stock steel rods or stock type steel rods. Eagle H-Beams rods permitted, but no other H-

Beam rods allowed. MUST be stock length to the engine. (EX: 350 Chevrolet 5.7″ maximum

length). No titanium, aluminum or exotic material permitted. Ford and Mopar 6”  rods permitted.

E.) Steel or cast factory production crank shafts ONLY. 48 lbs. minimum weight. Casting

number must be plainly visible. Cranks must be stock stroke to engine. (EX: 3.48″ maximum for

350 Chevrolet) NO knife edging. Eagle or Scat crankshaft OK must meet above rules! Ford

crankshaft must weigh 54 lbs.

F.) No dry sump oiling systems

G.) Engine balancing permitted.

H.) Chassis type collector headers ONLY. Tri-Y headers permitted.

I.) Any flat top piston. 2 or 4 valve relief piston permitted.

J.) Any flat tappet camshaft permitted. No roller camshafts . Lifters must be stock diameter.

 

Cylinder Heads

A.) Any steel head meeting the following requirements

  1. Chevy 23 degree head + or – 1 degree with no larger than a 1.94” intake valve
  2. Ford 20 degree head + or – 1 degree with no larger than a 2.02” intake valve
  3. Mopar 18 degree head + or – 1 degree with no larger than a 2.02” intake valve

B.) Angle milling of heads OK.

C.) Multi angle valve job permitted. NO porting, polishing, squaring, or epoxying of ports.

D.) Valve size Chevrolet 1.94”, Ford or Mopar 2.02″ intakes and 1.65″ exhausts max.

E.) Stainless steel valves permitted.

F.) Screw in studs and guide plates permitted.

G.) Roller tip rockers. Aluminum rockers and stud girdles permitted. No shaft mounted rockers.

H.) Any valve retainers . Any spring permitted.

I.) NO aluminum heads permitted.

 

Intake Manifold

A.) Any aluminum or cast iron intake.

B.) NO porting, polishing, or epoxying of runners permitted.

C.) 1″ carburetor spacer allowed.

 

Carburetor

Any two or four barrel carburetor is allowed

Fuel Systems

A.) Any non-electric fuel pump mounted anywhere on car.

B.) Racing fuel cell mandatory.

C.) NO alcohol, NO nitrous oxide, racing gas or E85 ONLY.

D.) Fuel must have a specific gravity of less than .761.

 

Ignition

A.) Any electronic or breaker type ignition system allowed.

B.) No magnetos

C.) No traction control

D.) One battery per car, may be up to a 16 volt.

 

Clutch

A.) Triple disc clutch OK.

B.) May run aluminum flywheel.

C.) Must have working clutch.

 

Transmission

A.) Stock factory production standard or automatic transmissions. Bert or Brinn type

transmissions are allowed. May run racing automatic transmission.

B.) Transmission must have two working forward gears and one working reverse gear.

C.) Drive shaft may be steel, aluminum or carbon fiber, with steel drive shaft loop front and rear.

 

Rear Suspension & Suspension Components

A.) Rear suspension must utilize either coil or leaf springs.

B.) Rear Suspension Frame Mounts

1) The frame/roll cage structure must have integral welded mounting brackets for the

attachment of rear suspension components. Frame suspension mounts may be welded or

bolted securely (without any movement) to the frame/roll cage structure.

2) The only materials used to fabricate frame suspension mounts that will be permitted

are magnetic steel or aluminum.

3) Frame suspension mounts may be either a single or double shear configuration for

mounting suspension components.

4) Single shear frame suspension mounts must be a minimum of 1/4” thickness. Double

shear frame suspension mounts must be a minimum of 3/16” thickness on both sides of

the mount.

5) All frame suspension mount component mounting holes must be round and sized

correctly for the fastener being used. Clearance between the fastener and the mounting

hole must not exceed the next fractional drill size. Example: 1/2″ fastener, 33/64 inch

mounting hole.

C.) Axle Housing Mounts

1) Only one (1) axle-housing mount per side will be permitted.

2) Axle housing mounts may be a solid (welded) type or floating type (birdcage) design.

3) The final assembled axle-housing mount must be a one (1)-piece mount. When a

floating type mount (birdcage) is fabricated using two (2) pieces, the two (2) pieces must

  • create a common one (1)-piece pivot (barrel). The two (2) pieces must be fastened or

welded together to prevent independent movement of the two (2) pieces. The axle-

housing mount must attach directly to the axle tube with clearance only to permit

rotation of the entire mount. Fore, aft or vertical movement of the mount or the axle

housing within the mount will not be permitted.

4) The only materials used to fabricate axle-housing mounts that will be permitted are

magnetic steel or aluminum.

5) Mounts for suspension attaching (radius) rods must be an integral part of the axle-

housing mount. The mounts may be either a single or double shear configuration. When

using a single shear configuration, a minimum thickness of 1/4 inch for magnetic steel or

1/2 inch for aluminum is required. When using a double shear configuration, a minimum

thickness of 3/16 inch for magnetic steel or 1/4 inch for aluminum is required. Dynamic

movement of any mount other than a rotational and pivoting movement as a result of

suspension travel will not be permitted.

 

6) Unless otherwise authorized, the mounting of any component(s) other than suspension

attaching (radius) rods or shocks will not be permitted on the axle housing mounts.

D.) Rear Suspension Attaching (Radius) Rods

1) A maximum of two (2) attaching (radius) rods per side will be permitted.

2) The only materials used to fabricate attaching (radius) rods that will be permitted are

magnetic steel or aluminum.

3) Attaching (radius) rods may be solid or tubular material. The material may be round or

hexagon in shape.

4) Spherical rod ends or steel clevises must be used at the end of each rod for pivoting,

static length adjustment, and mounting. Bushings of any type will not be permitted.

5) The final assembled attaching (radius) rod must not have the capability to change

length dynamically by any means or devices.

6) Spherical rod end sizes may be a minimum of a 5/8-inch rod end body with a 1/2 inch

bearing to a maximum of a 3/4 inch rod end body with a 3/4 inch bearing.

7) In all applications, the correct size fastener must be used when mounting the spherical

rod end to a bracket (example: 1/2 inch fastener must be used with a 1/2 inch bearing and

mounting hole). Metal step spacers will be permitted to reduce the hole size of the

spherical rod end bearing.

8) Attaching (radius) rods must mount directly to the frame suspension mount at the

forward end and to the axle-housing mount at the rearward end.

9) All rear suspension fasteners must be magnetic steel with a minimum diameter of 1/2

inch. The use of grade 8 fasteners is highly recommended. All fasteners must be correctly

sized for the component and application of use.

10) When rear suspension assembly is completed, the attaching (radius) rods must have a

minimum of eight (8) inches between the pivots at both the frame suspension mount and

the rear axle-housing mount.

E.) Rear Droop Limiter

1) One (1) droop-limited chain per side will be permitted.

2) The droop limiting chain may incorporate bump stops and/or springs.

3) The droop limiting chain must attach to a collar or bearing type mount on the rear axle

tube and to the frame assembly directly above the lower mount. Chains to the rear axle

mount (birdcage) will not be permitted.

 

  • 4) Droop limiting chains must be mounted so that when taunt they are as close to vertical

as possible.

F.) Torque Control Devices

1) Lift arm assemblies and pull bars will be permitted.

2) Only one (1) torque control device may be used.

3) Lift arms must attach to the axle housing using a mounting configuration that prevents

any movement between the lift arm and the rear axle housing. A gusset or brace bar to

prohibit side-to-side flex will be permitted.

4) The forward end of the lift arm may use a spring over shock assembly (5th coil), a

spring or bushing, and a limiting chain.

5) Pull bars may be adjustable on both ends; however, the adjustments must remain fixed

during competition. Adjustors within reach of the driver will not be permitted.

G.) Springs

1) Coil springs or leaf springs will be permitted.

2) Coil springs must be manufactured from magnetic steel. Leaf springs must be

manufactured from either magnetic steel or approved composite material.

3) No stacked springs allowed. Take up springs as used on left front are allowed.

 

Shock Absorbers

(The intention of this rule change to non-adjustable shocks is to contain costs and eliminate

exotic and expensive shock packages, the claim rule will remain in effect and the wording may

be adjusted to enforce the intended result)

A.) Shocks are intended to dampen and help control spring frequencies in both the compression

and rebound motions. The amount of force applied to move the shock piston and shaft assembly

may be varied with the option of shock “builds” however the piston and shaft assembly must

have the ability to move in both directions. Shock claim is for shock and spring assembly. $200

plus your shock and spring assembly. First, Second, and Third place finishers may be claimed by

top 10 finishers on the lead lap and claim procedures will be per track policies.

B.) Mono-tube with Schrader valve, single piston, non-adjustable nitrogen gas charged shocks

will be permitted. All shocks must utilize mechanical oil controls, such as: spring shim(s), drum

and disc(s), check ball and spring, needle and seat. Magnetic and/or electro-magnetic controls are

not permitted. Remote nitrogen gas reservoirs (CANISTERS ) will NOT be permitted.

C.) Shock adjustments while the vehicle is in motion will not be permitted.

D.) Shocks and shock components may only be manufactured from steel or aluminum.

E.) Rotating parts will not be permitted inside or mounted to the shock absorber. Inertia/gyro

style shocks are not permitted.

F.) Thru-rod shocks will not be permitted.

G.) Unless otherwise authorized, all shocks must be mounted as close to vertical as possible.

H.) Approved shock locations are as follows:

I.) One (1) shock will be permitted at each front wheel

J.) One (1) shock will be permitted at the right rear wheel

K.) Two (2) shocks will be permitted at the left rear wheel. When using only one (1) shock at the

left rear wheel, the shock must be mounted behind the rear axle tube. When two (2) shocks are

used at the left rear wheel, one (1) shock must be mounted behind the rear axle tube and the

second shock must be mounted on top of or forward of the rear axle tube.

L.) One (1) shock will be permitted mid-ship at the front of the lift arm assembly.

  • ) One (1) braking shock will be permitted. The shock must be mounted within three (3) inches

of the center line of the rear axle center section. This shock must be mounted horizontally.

 

Rear Suspension and Suspension Components

A.) Axle Housing, Quick Change Rear Differential

1.The axle housing must be of the “closed tube” design utilizing “full floating” magnetic

steel axle shafts.

  1. The center section of the axle housing must be manufactured of either aluminum or

magnesium.

3.Axle tubes must be one (1) piece. Axle tubes must be manufactured of aluminum or

magnetic mild steel. Axle tubes manufactured of exotic, heavy materials will not be

permitted. The outside diameter of the axle tubes must not exceed three (3) inches. Axle

tube internal inserts or external sleeves will not be permitted.

  1. The addition of any ballast weight to the axle housing will not be permitted.

 

 

 

B.) Axle Housing Mounts

  1. The only materials used to fabricate axle housing mounts (birdcages) that will be

permitted is aluminum or magnetic mild steel. Axle housing mounts fabricated of exotic,

heavy materials will not be permitted.

  1. When fabricating axle housing mounts detail must be paid to functionality. The

completed axle housing mounts, when comparing the right and the left side, must be as

similar in design as possible.

C.) Rear Suspension Attaching (Radius) Rods

  1. The only materials used to fabricate attaching (radius) rods that will be permitted are

magnetic steel or aluminum

  1. Aluminum attaching (radius) rods may be solid or tubular material. Magnetic steel

attaching (radius rods) must be tubular with a maximum wall thickness of 3/16 inch.

 

Brakes, Brake Components, Wheel Hubs

A.) Brake calipers must be manufactured of aluminum.

B.) The brake caliper including brake caliper pistons must be used as produced by the brake

caliper manufacturer.

C.) Brake rotors must be manufactured of magnetic or stainless steel.

D.) Brake rotors must be used as produced by the brake rotor manufacturer.

E.) Wheel hubs must be manufactured of aluminum or magnesium.

F.) Wheel hubs must be used as produced by the wheel hub manufacturer.

G.) The combined weight of the wheel hub, wheel bearings and seal, spindle nut and washers,

brake rotor and attaching hardware, the axle cap, and the wheel spacer must not exceed 27

pounds.

 

Wheel, Wheel Discs, Wheel Spacers

A.) Steel and aluminum wheels will be permitted.

B.) Only approved wheel discs will be permitted. Approved wheel discs are wheel discs that are

fastened to the wheel using a minimum of three (3) 1/4” or 5/16” diameter magnetic steel hex

head bolts.

C.) Only aluminum wheel spacers will be permitted. Wheel spacers must not be fastened to the

wheel.

  • ) The combined weight of the wheel, wheel hardware, wheel disc and fasteners, and tire must

not exceed 40 pounds. The maximum combined weight in this rule is based upon current tire

rules and may need to be adjusted in the event of an alternate tire.

Wheels and Tires

A.) 12″ or 14″ wheels allowed. Bead lock wheels allowed.

B.) Wide 5 adapters allowed.

C.). Hoosier D21, D55 and D70, 1350, and Crate 21 tires are allowed

D.). NO tire softeners allowed. Tires will be subject to a minimum durometer reading and/or sent

for lab testing.

 

Springs

A.) Coil springs or leaf springs will be permitted. ( No stacked springs allowed) Take up springs

permitted.

B.) Coil springs must be manufactured from magnetic steel. Leaf springs must be manufactured

from either magnetic steel or approved composite material.

 

C.) Spring preload adjustments for coil springs must be made using mechanical adjusting nuts on

the shock body.

D.) Spring preload adjustments for leaf springs must be made using a mechanical adjusting

device such as an adjustable shackle or threaded rod type mount.

E.) Other than spring dampening by the shock absorber, hydraulic, pneumatic, or electrically

controlled adjusting devices, (static or dynamic) that affect spring preload or race car heights will

not be permitted,

 

Body Diagram and Dimensions (dimensions listed are maximums unless noted)

 

2019 602 Sportsman/ C-Class Late Model Division

602 Sportsman/ C-Class Late Model Division

 

Any tolerance determined by tech man and management decisions will be FINAL!!

Any car visiting from another track will be given one (1) courtesy race to run with weight penalties in order to try out Needmore Speedway’s rules package.  After this one (1) trial race, should the car return, it MUST be by Needmore Speedway rules.  Drivers must speak with the tech man before the race to access weight penalties or car will be disqualified.

1.Weight:

  1. 2400lbs with driver
  2. 2450lbs with driver and rebuilt 602. Must have EAMS or Crate Racin’ USA seals.  No engine claim.
  3. 2550lbs with C-Class Late Model built engine rules
  4. All cars must have weight posted on right side of roof. NOTE: 50lbs weight break for head and neck restraint and/or full containment seat.
  • Engine:
  1. FACTORY STOCK 602 GM sealed Crate Engine; Engine must have factory GM seals. Any tampering above the seal bolts will result in a thirty (30) day suspension from Needmore Speedway.  Ant tampering inside the sealing system will result in a one (1) year suspension from Needmore Speedway, and engine will be confiscated.  602 assemble height must be no less than 1.70” if shims have been added.
  • Engine Claim:
  1. Engine may be claimed for current price of new engine plus $200 with $100 going to driver and $100 going to the track. The fee must be paid in cash to the tech inspector.
  2. The claim must be made within ten (10) minutes of the completion of the race.
  3. Only the top three (3) drivers finishing a race may claim a crate engine.
  4. The driver having their engine claimed must finish the race ahead of the driver claiming the engine.
  5. A driver can only claim one engine per event.
  6. Not included in the claim will be the carburetor, water pump & pulleys, water neck, motor mounts, fuel pump rod and cover and flywheel assembly.
  7. A claim will not be accepted should officials determine that the claim is made on someone else’s behalf or the fee is from more than one party.
  8. Failure to pull a claimed engine will result in the driver forfeiting all money for the event. The driver will be required to pay a fine before they are allowed to compete again.
  • Engine (option 2)
  1. If you run C Class Late Model and currently have a built motor you may continue to run your built motor as long as it is by last year’s motor specs and you must weigh 2550 lbs.
  • Carburetor:
  1. a) Any 4-barrel carburetor.
  2. Engine must be naturally aspirated.
  3. 1” carburetor spacer allowed
  • Fuel System:
  1. Stock type fuel pumps Carter M4891 or equivalent ONLY mounted in stock location. Belt driven Powersteering/Fuel pump OK. No electric pumps permitted.
  2. Gasoline or Racing Gas Only. NO ALCOHOL, NO NITROUS OXIDE.
  • Ignition System:
  1. Any Electronic Ignition System, MSD or HEI.
  2. NO magnetos.
  3. NO traction control.
  • Exhaust System:
  1. Collector type headers ONLY. NO 180, zoomies, Tri-Y or merged collector headers.
  • Transmission:
  1. Standard 4 speed or automatic transmission. After market SAFETY bell housing and automatic cases permitted.
  2. Bert or Brinn Transmission allowed.
  3. Transmissions must have 2 working forward and a reverse gear.
  4. NO Tex, Jerico, or quick-change transmissions.
  5. Ball spline transmission’s Mandatory to run a carbon fiber drive shaft. This is a safety requirement.
  • Rear End
  1. Standard quick-change rear end permitted. No Titanium or exotic material axles, spools, gears, or other materials inside rear end.
  • Engine Position:
  1. 6 ½” from center of ball joint to #1 spark plug, ½” tolerance. 50lb weight penalty for every ½” out of tolerance mounted in front of water pump.
  • Frame:
  1. 103” wheelbase minimum, 1” tolerance.
  2. Any Late Model Chassis allowed, Square tube or Round tube. NO aluminum frames, square tube frames must be a minimum of 2”x 2” tubing, round tube must be a minimum of 1 ¾” tubing. Full racing roll cage mandatory, 1 ½ OD x .090 steel tubing minimum.
  3. Stock front clip cars allowed.
  • Suspension:
  1. Standard Late Model Suspensions Only. No Spring Loaded or Shock Type 4 Bar Rods.

Only Standard Solid Bar 4 Bar Rods. No Torsion Bar Front or Rear Suspension.

  1. Standard One-Piece Bird Cages; No Split Bird Cages
  2. May run 1 of the following rear suspensions, 5th coil or torque link, NOT both.
  3. One (1) Coil Spring Per Wheel. One (1) Take Up Spring and Slider Per Wheel Including 5th No Bumpstops or Bumpsprings allowed on Any Corner Except RF. May Run Any Bumpstop on RF (Shims, Washers, and/or Spacers OK). No Stack Springs on Any Corner Including 5th Coil. No Progressive Springs. Spring Rubbers allowed.   No Nitrogen Bumpstops.
  • Shocks:
  1. One (1) working shock per wheel except left rear (LRF OK). One (1) 5th Coil Shock Only. NO single adjustable or double adjustable shocks allowed. NO canister style or remote adjustable shocks permitted. NO externally adjustable shocks. Schrader Valve Shocks OK. NO Internal Bumpstops. NO Air Shocks or Spring Cages Allowed. No “Thru Rod” or Inerter Shocks.
  2. One (1) 90/10 shock allowed to be mounted on top of rear end.
  • Body:
  1. NeSmith Crate Racin USA body rules apply.
  2. Light tube bracing behind bumpers. NO pipes or push bars in front of bumpers.
  3. Spoiler 8″ maximum height, 8″ maximum height on side supports.
  4. Must have front and rear tow hooks.
  5. All Body Panels Must Be Solid, No Holes, Slots or Air Gaps.
  • Wheels and Tires:
  1. Any Wheel, 14” maximum width. Beadlock permitted any position.
  2. Wide 5 wheels and adapters permitted.
  3. Track tire Crate 21,  1350 or Crate 55 Hoosier Racing Tires only.
  4. No inner liners.
  5. No tire softeners permitted. Tires will be subject to lab testing at any time to determine legality.
  6. Will be a 45-punch rule and we will be checking.

 

NOTE: Tires must conform to benchmark when tested. No alteration of any kind is permitted.

 

 

  • Protest:
  1. Visual protest $25 – $25 will be retained by track.
  2. Valve spring & assemble height protest $100 – $50 will be retained by track. 602 Assemble height must be no less than 1.70” if shims have been added.
  3. Tire protest $250 (per tire) – $250 will be retained by track. Must finish in the top 3 to protest.
  4. All other protest are listed in the General Rules section.

**********************C-Class 602 Built Engine Option:***************************

  1. Carburetor: Any
  2. Built Engine:
    1. All parts must have a stocl , part, or I.D. number. No titanium parts of any kind.
    2. GM 350 C.I.D., Ford 351 C.I.D., Chrysler 340 or 360 C.I.D. Engines 4: 060 for bore plus .010 wear
    3. Engine balancing permitted. Stock stroke for engine used (3.48” chevy)
    4. Deck may be surfaced, but pistons may not exceed the top of block.
    5. Any flat top piston, No dome pistons permitted
    6. Any flat tappet hydraulic cam (no 4-7 swap). No gear drive or belt. Any timing chain.
    7. Factory replacement heads: * World Product head #4360, 4361, RHS head #12400 Engine Quest CH-350-1 *Dart # 10024360 *OEM Factory heads ok
    8. Minimum of 72cc combustion chamber Open Chamber Heads with a head gasket of .039 minimum compresses thickness.
    9. Minimum 63cc combustion chamber closed chamber double hump heads. May be used with a head gasket of .065 minimum compresses thickness.
    10. Three angle valve job OK. NO porting and polishing on heads (NO alterations)
    11. NO Vortec Heads. NO BOWTIE OF ANY KIND. No angle plug heads.
    12. NO mismatching of Cleveland or Windsor heads. Ford production iron head only. Mopar production Iron head only.
    13. Lifters must be stock diameter to make of engine. No cheater lifters.
    14. May run screw in studs 7/16 ok and guide plates. May run poly locks.
    15. Stock type valve springs only (1.265) valve spring size. NO beehives. NO double valve springs 90-100# maximum spring pressure.
    16. Valve size 1.94 intake 1.5 exhaust. Undercut valves OK
    17. Stock length rod of make. Ex (Chevy 5.7 connecting rod- H or I beam)
    18. 7/16 rod bolts OK. NO aluminum, titanium, carrillo rods.
    19. 48 pound crankshaft (will be weight with pilot bushing, cam gear, bolt and washer)
    20. Crankshaft must be stock stroke. Steel crankshaft OK. NO knife edge or winged cranks. NO billets.
    21. 1 inch spacer on intake OK. ( no higher than 1.250 with gasket)
    22. Any Dual Plane low rise aluminum or cast iron intake (no high rise or air gap allowed) Edelbrock 7101 and GM cast iron bowtie OK but NO carburetor spacer allowed.
    23. Intake no higher than low rise manufactures specs.
    24. Carb pad height will be no higher than A-B measurement (4.58), A-B measurement is without spacer.
    25. NO porting, cutting or polishing of any kind
    26. Any intake not meeting above specs will be assessed a 100 pound penalty and may not use a carb spacer.
    27. Headers must have four tubes into one collector of a consistent diameter. NO tri y or merged headers allowed.
    28. Mufflers are mandatory
    29. Roller Rockers OK
    30. Stud Girdle OK
    31. 520 Rocker Arm ratio OK. Not to exceed 1.520
    32. 7/16 stud OK
  3. Fuel:
    1. Racing Gas OK
    2. Pump Gas 93 octane OK
    3. E85 OK
    4. No additives
    5. No fragrance allowed in fuel. Fuel will be available at the track.
  4. Wheels and Tires:
  5. Hoosier D21, D70, Crate 21 and 1350 are the only tires allowed.
  6. No chemical are allowed. Lab testing will be done at the track discretion.
  7. 12 or 14 inch wheels OK

2019 Super Street Rules

Super Street Division

Any tolerance determined by tech man and management decisions will be FINAL!!

Any car visiting from another track will be given one (1) courtesy race to run with weight penalties in order to try out Needmore Speedway’s rules package.  After this one (1) trial race, should the car return, it MUST be by Needmore Speedway rules.  Drivers must speak with the tech man before the race to access weight penalties or car will be disqualified.

 

BODY:

 

Any American made 1970-1995 production sedan.

 

Stock firewall and floorboard OR enclosed driver compartment OK.

 

Bodies may be cut for tire clearance.

 

Bodies may be hulled. Removal of dash permitted.

 

Uni-bodies may be tied together.

 

Trunk must be sealed from driver’s compartment.

 

No sharp edges.

 

Rear spoiler 6″ x 66″ permitted with 6in. to 2in. by 12in. long, total of 3 supports. Must be in center of

body

 

Rear deck 66 ” at top of interior at spoiler, Rear of car can be open.

 

Aftermarket nose and rear cover permitted. Must be stock appearing. No sloping noses. No Dirt

Noses

 

No radios.

 

Must have 3 bars in front of driver’s window.

 

Must have tow hooks on front.

 

May run aftermarket body, steel or aluminum. Fiberglass roof and hood ok. Roof must be stock

appearing. No Aluminum Roofs Body must be stock appearing.

 

(If you look like a late model prepare to run with Late Models)

 

May run skirts. Maintain 3 in ground clearance

 

WHEEL BASE:

 

Minimum 1 ” tolerance for your chassis. Wheel base must match chassis. Example: ( 74 Camaro

108″)

 

CHASSIS AND SUSPENSION:

 

Screw jacks OK front and rear. On leaf springs, on rear of spring only

 

May relocate top a-frames. May run tubular top a-frames.

 

 

Changing of springs OK. Coil for Coil, Leaf for Leaf. Example: (no coil springs when org. had leaf

springs)

 

Sliders allowed on rear leaf springs.

 

Sway bars and lowering blocks optional.

 

Any shock. Nonadjustable. NO coil over shocks. Shocks can be relocated one per tire.

 

No Offset chassis. Stock Steering box and components. No aftermarket steering parts.(example:.

Fabricated drag link or aftermarket idler arm) NO rack and pinion. Steering Quickners OK.

 

*4 bar suspension on stock chassis OK *No 3 or 4 bar Aftermarket suspension design or

parts.alowed

 

*Must be stock front and rear clip for chassis claimed. In stock location (1″ tolerance) Rear clip can

stop at rear shocks.

 

ENGINE:

 

350 block ONLY

358 CI – RULE ON ENGINE

Engine must sit with leading spark plug no further back than 1 in. of the center of the top ball joint.

 

NO porting and polishing.

 

Hydraulic cam and lifters or solid flat tappet only.

 

NO 4/7 cross fire cams.

 

Anti-pump up lifters OK. NO oversize lifters.

 

Headers allowed.

 

Any flat-top piston. Dish pistons ok.

 

No coating of engine parts, except pistons.

 

RODS:

 

OEM 5.7 rods with 7/16 rod bolts or sir eagle stock replacement rods. Pins may be floated. Polishing

of beams ok. May run scat with 7/16 bolt or cap screw. I-beam only and Crower I-beam rods. No

lightweight or billet rods.

 

CRANKSHAFT:

 

Steel crank must weigh 48 lbs. Cast crank must weigh 48 lbs. Must be stock stroke.

 

NO knife edging. Balancing ok. May run eagle or scat. All cranks will be weighed with pilot bushing,

cam

 

gear, bolt and washer.

 

INTAKE:

 

Any aluminum or steel intake. No porting or polishing.

 

HEADS:

 

No porting or polishing. Vortec part # 062 or 906 (Org. GM heads Vortex), 62cc combustion chamber

and 175cc runner ok. May use 300 hp 291, 462, 62cc combustion chamber or any stock production

head. Valve size 1.94 and1.50. Three-angle valve job OK. NO raceflow valves. Stock type valve

springs. Double springs OK. .Screw-in studs and guide plates OK. Roller rockers OK. 1.52 roller tip

  1. May use World product part # 4361 heads. 62cc rule with 1.94 & 1.50 valves. Bowl cut in head

cannot exceed 1 inch, and must remain lip. Maximum valve stem step down cannot exceed .010.

461 heads, 62cc combustion OK.(602 Crates Allowed 200# weight break)

 

After Market Heads May run Engine Quest # 350C or Equivalent You are responsible for head you

choose, choose wisely. No porting or polishing Intake runner on this head ranges from 178-180cc

maximum.

 

FORD:

 

Stock rods and crank. May run scat 4351W3500600 crank. Must weigh 53lbs. May run scat rods or

Eagle rods. I-beam only. Crower I-beams ok. No lightweight rods.

 

HEADS:

 

Cast iron heads only. 302 or 351 world product Winsor Jr. 57 cc’s. 1.940 intake 1.500 exhaust.Must

have straight stem valves. NO pro-flow or race flow or undercut valve stems. BORE-.060 plus.010

for wear.

 

CARBURETOR:

 

Quadrajet or 4412 two-barrel or 3310 Holley. NO porting or polishing. May remove choke butterfly.

Must have stock air horn. Maximum carb. adapter 1 1/2″ maximum carb. spacer 1″ CANNOT run

both adapter and spacer. Holley 650 cfm. Vacuum secondary. (This means unaltered factory specs.)

 

IGNITION:

 

OEM or single point distributor. Stock type H.E.I. OK. NO MSD box add on. NO cross fire caps.

 

CLUTCH:

 

Any steel flywheel must weigh 14 lbs. Stock-type clutch assembly minimum 10″ no lightweight. No

aluminum parts. No Triple Disc Clutches .

 

Clutch & pressure plate must weigh 16lbs. Hydraulic release bearing OK.

 

BRAKES:

 

Any OEM factory brakes. All cars must have 4-wheel brakes. No shut-offs. 4 wheel disc OK. Dual

master cylinder with brake adjuster ok.

 

TRANSMISSION:

 

Stock type. No aftermarket. Must have working forward and reverse. No automatic transmission

allowed. Steel Safety Bell housing required.

 

REAREND:

 

Changing of rearends, gears, ratios and locking ok. No quick-change. Wide 5 wheels ok. May run

disc brake rear-end. 9″ Ford OK

 

WHEELS:

 

12″ steel wheels maximum. Bead Lock wheels okay. Note: 12 ” wheels allowed. 1″ Lug Nuts on all

wheels. Wide 5 wheel adapters ok.

 

Track Tire: Crate 21, D21, Spec 1350, D55 and D70 Hoosier Racing Tires Only

 

Tire Tule: Will be a 45 punch rule and we will be checking .

 

FUEL CELL

Mandatory. Racing gas permitted. NO alcohol.

Weight / Ballast

All cars must maintain 3100 LBS of weight after race with driver.(except 602 Crate w/

assembly bolts. 2900LBS)

 Golden Isles Speedway cars are allowed as long as they are 100% percent by their rules and make Needmore weight

A.) Weights up to 50 lbs must be positively fastened by 2 ½-inch, minimum grade 5 bolts with a

minimum of two (2) weight clamps. Threaded rods will not be permitted. All weights must be painted

white and clearly labeled with the car number on it.

B.) Any weight(s) must be securely attached to the frame below the body decking.

C.) Any car that loses any weight/ballast during an event may be subject to a penalty.

D.) Weights attached to the rear bumper and/or outside the frame will not be permitted.

2019 Durrence Layne (former NeSmith)

Waiting on the rules from Durrence Layne

2019 Enduro Rules

Enduro Division

Any tolerance determined by tech man and management decisions will be FINAL!!

Any car visiting from another track will be given one (1) courtesy race to run with weight penalties in order to try out Needmore Speedway’s rules package.  After this one (1) trial race, should the car return, it MUST be by Needmore Speedway rules.  Drivers must speak with the tech man before the race to access weight penalties or car will be disqualified.

**Rules are subject to change to keep the competition fair**

 

  • Car- Enduro
    1. Any American made 2 or 4 door car. Body must appear stock and have stock body lines.
    2. Wheel base must remain factory for car being used.
    3. All doors must be welded shut
    4. All glass and materials that would burn MUST BE REMOVED.
    5. Racing seat required. Seat must be bolted with a minimum of 6 3/8” bolts to bars that are welded to roll cage.
    6. Must have five(5) point quick release racing type seat belt and shoulder harness three (30 inches wide. Must be bolted to roll cage with minimum 3/8” bolt.
    7. Four (4) point roll cage required and must be welded to frame rails and all connections must be fully welded. All cages must be minimum diameter of 1 ½ inch and minimum 0.90 wall thickness.  A minimum of 3 horizontal bars is required in the driver’s door and a minimum of 2 inches in the passenger door.  Roll bar installation and workmanship must be approved.
    8. Stock altered floor pan and firewall must be retained. 24” of stock floor pan. Hulling permitted. Dashboard may be replaced with sheet metal.  All holes in floorboard and firewalls must be covered with sheet metal.  May replace rusted floor pan with sheet steel or aluminum behind seat and trunk floor.  Trunk from top or rear end to rear may be hulled.
    9. Must have stock type bumpers. Aluminum OK if fitted to car properly. No bump bars of any kind.  May have radiator protection bar, cannot extend past front bumper.  May have bar to protect fuel cell.
    10. Must have 3 windshield bars in front of the driver
    11. Tow hook on front mandatory
    12. Battery must be located under hood or in trunk. If battery is mounted in cockpit., must be in sealed box.
    13. Racing steering wheel with quick release permitted. Steering quickeners allowed.
    14. Approved fire extinguisher with gauge required and must be securely installed in reach of driver.
    15. Boxing around driver OK, must have 12 inch inspection panel
    16. Decking- rear decking OK
  • Engine- Enduro
    1. Engine must be strictly stock for that make and model. 0-deck height. 350 OK in all GM cars, metric included. Engine allowed 0.060 for bore plus 0.010 wear. Pistons must be 4 eyebrow flat top pistons.  Electric fuel pump OK.  Must be wired to ignition switch.  The following engines will not be allowed: superchargers, turbos, double overhead cam, LTI, LS, tuned port or HO’s.  All ignition parts must be stock.  No high performance parts. Solid engine mounts in stock location.  Factory stock appearing rod Scat or Eagle stock replacement I beam rod allowed. Pressed pins or floating pins allowed. Crank stock or Eagle crankshaft part # 103503480. Stock replacement pistons 4 eye brow. Weight of pistons., is 1250 grams (piston rod, pins, rings, caps, and bolts) Crank 48lbs.
    2. Any Water Pump OK
    3. Heads: Stock Heads or EQ CH 3501 72cc min. Minimum 4.900 length valves. Max 1.94 intake and 1.50 exhaust. Any steel retainers. Valve spring maximum diameter 1.260. May have three (3) angle valve job. NO bowl cutting of any kind.  May pin stock rocker studs, or optional 3/8ths screw in studs. Stock 1.5 ration rocker arms only. No beehive valve springs. Poly locks Ok. Guide Plates OK. NO angle plug heads.  NO 191 or 193 Chevy heads. Engine Quest EQCH3501 or equivalent is allowed.  If you use another head, it is your responsibility to produce specs proving your head is exactly the same as the EQ head.  NO 185cc intake runners NO closed chamber or double humps.
    4. Exhaust Headers and Manifolds- Cast iron stock manifold or Schoenfeld part # 185m 1 5/8” tube header with 3” collector OEM stock cast iron. Must have 24 exhaust pipe (both sides) Center dump OK.
    5. Cam and Lifters: Intake lift 425, exhaust lift 425. Stock replacement hydraulic lifters only, no anti pump ups. Must have wire ring clip 0.00 lash. Stock lengths push rods only.

 

  1. Carburetor:
  2. a) The REQUIRED carburetor is six hundred (600) C.F.M> or five hundred (500) F.M. two (2) barrel, Holley carburetor; Part number 01850, 04412, or 80457. The choke horn and list number must remain intact.  Removal of the choke butterfly and choke assembly is permitted. No polishing or other modifications except changing jets will be permitted. Quick car rear meter plate OK.  Carburetor spacer one-piece adapter Mr. Gasket type 0.750in.
  3. b) Rear Jet plates with center hung floated bowls permitted. Dual lines are OK. Quadra jet must be OEM factory stock except for the following options. Removal of choke plates, shaft, and choke mechanism. Side load or front load OK.  Carburetor must pass Needmore Speedway. NO GO Gauges.

(i) $500 claimer on carburetor

(ii) Intake: stock unaltered cast iron or aluminum manifolds, no grinding, cutting, or gasket matching. NO bowties. Edelbrock 2701 intake allowed. A spacer and/or adapter are allowed. The height of the combination not to exceed gasket thickness 1.125 thousandths for both gaskets, from top of the intake manifold to the bottom of the carburetor.

  1. 602 Crate engine allowed. Must have factory or certified seals. Add 50lbs for legal rebuild. 600 carburetor. A spacer and/or adapter are allowed. The height of the combination not to exceed gasket thickness 1.125 thousandths for both gaskets, from top of the intake manifold to the bottom of the carburetor.
  2. Timing: No gear drive. No hex adjusts. No degree bushing. May degree camshafts with bottom timing gear. Cam advance button okay.
  3. Drive Train and Suspension- Enduro
  4. Transmission: Transmission must be stock. Standard or automatic. Stock clutch and stock working torque converter. No dump valve. Aftermarket hydraulic clutch pedal and release bearing OK. Steel safety bell housing when using standard transmission. Forward and reverse must work. Flywheel must be 16 lbs.  14 lbs. min on clutch and pressure late.  Stock clutch and flywheel only.
  5. Rear-end: Stock rear-end for make of car only. Rear end stock like what came in car. Lock rear ends OK. Ford 9- inch allowed. Stock style rear end. Trailing arms same length top and bottom. Monoball OK. Stock replacement trailing arms OK. NO tubular arms. NO quick change. Floater OK
  6. Shocks and Springs: Stock mounted, Stock appearing racing shocks located in stock location. No heim joint shocks with adapters. $200 claimer per shock and must buy all 4 shocks. Stock type suspension for make, model and year of car.  No jack bolts allowed. All parts have to bolt to factory brackets. Heavy duty racing springs allowed. Modification (heating/cutting) OK. Lowering blocks allowed.
  7. Adjustable shackles allowed
  8. Any length spring OK
  9. Spring bucket in car OK
  10. Adjustable cups allowed OK
  11. Aftermarket tubular A frames within specifications

I ***optional** Front sway bars must be mounted with stock bolts and bushing(rubber) NO NEOPREME BUSHINGS aftermarket

  • Brakes- Enduro
  1. Stock type master cylinder, booster optional. 4-wheel disc brake OK
  2. NO aluminum hats/rotors, all 4 brakes must work.
  3. Stock Brake pedal assembly.
  4. Racing pedals with dual master cylinders OK
  5. NO adjuster rods
  • Fuel- Enduro
    1. Fuel tank may be moved inside of truck. Tanks must be securely mounted
    2. Fuel cell required. Fuel cell mist be no lower than center of the rear end housing.
  • Weight-Enduro
    1. The required weight is a minimum of thirty-three hundred (3300) pounds including the driver on the track scales AFTER the race.
    2. Any sedan over 110 in wheel base 50# weight break
  • Claimer Rule- Enduro
    1. No driver can make more than 2 claims in 1 season.
    2. Must finish in top 5 to make any claims
    3. Refusal to sale driver will be disqualified for that race and lose all accumulated points for season.
    4. All claims must be in writing and you will have 10 minutes after checkered flag to make claims

I)$100 Claim on Intake

ii)$500.00 Claim on Carburetor

iii)$200.00 Claim per shock and must buy all 4 shocks $800.00 Total.

  • Tires and Wheels- Enduro
    1. Tire: Maximum width 8” D.O.T. tires, H500 Hoosier optional and AR500 tires.
    2. Wheels: Steel wheels’ maximum 8” wide. No aluminum wheels Must have 1” lug nuts with correct lengths studs on all 4 wheels. Bead locks allowed.
    3. No treating. No needling, No grooving
    4. Siping is allowed