2008 E-MOD RULES

1. Roll Cage: Minimum tubing thickness .095”. Minimum outside diameter 1.5” Must be 4 post design with rear upright loop supported with tubing running down to the rear of car. Top hoop must have 1 crossbar preferably running from right rear to left front. Absolutely no crossbar above driver’s head

All support bars forward of roll cage must be lower than stock hood height.

Door bars must be .083”minimum thickness. 3 bars minimum, 4 suggested. Door bars must be welded to roll cage-front and rear and be parallel to frame.

2. Brakes: Must operate at all times on all 4 wheels. Calipers must be OEM steel only.

3. Exhaust system: Headers may dump out side of engine or rear of engine and must not point directly to the ground. Mufflers must be run, securely attached, and easily detectable.

4. Fuel Cell: 32-gallon maximum capacity. Completely enclosed in a steel enclosure. Fuel cell must be protected in rear by roll cage tubing. Cell may not be lower than protective tubing.

Top siphon fuel cells only. Tech inspectors can reject any fuel cell mounting they deem unsafe.

5. Battery:  Must be mounted securely and fastened across the top.

6. Fuel:  Either racing gasoline or methanol-no nitrous oxide or power additives.

7. Weight: No weights added in driver compartment or outside of body. Weight must be painted white and have car # on it. Weight must be fastened with 2-1/2” bolts minimum. Weight may not be attached to rear bumper. All GM crate engine cars must weigh a minimum of 2300; all non-crate engine cars must weight a minimum of 2400 track scale pounds with the driver after the race at speedway scales.

8. Frames: OEM production full 1960 or newer parallel American passenger car frames only. Frame may be cut not farther forward than 36” from center of rear end housing. Frame must be full and complete on both sides and not narrowed or widened. Frame must be able to support roll cage.

9. Front Suspension: Must be OEM in stock location. Stock passenger car spindles only. No tubular or fabricated spindles allowed. Tubular type upper and lower A-frames permitted. Upper A-frames may be moved and have aluminum cross shafts. Coil springs minimum 4-1/2” diameter only (no coil overs) and must be mounted in stock position. No coil-over eliminators may be used. (Mono balls will be accepted.)

10. Steering: Must be OEM type. Front steer type frames must have steering box mounted on left frame rail ahead of front crossmember. Rear steer frames must have steering box mounted behind crossmember on left frame rail. Power steering with a steering quickener is permitted. No rack and pinion steering. Stock type OEM steering boxes only.

11. Shocks:  Only steel non-adjustable shocks permitted, one (1) shock per wheel.  No externally adjustable shocks, no hydraulic, ratchet, or electric weight jacks permitted anywhere on car.

12. Wheelbase: Minimum 108”, maximum 112”.

13. Rear end: No live rear ends, steel only.

14. Rear suspension: May be coil spring (minimum 4-1/2”) diameter or steel leaf springs. Coil-over eliminators or steel/aluminum coil-over kits may be used with coil springs. Lowering blocks (aluminum or steel) may be used with leaf springs. No aluminum birdcages, brake floaters, trailing arms or trailing arm mounts allowed. Panhard bar and bracket must be steel.

15. Driveshaft: Must have a protection loop completely around. Loop must be .25” thick x 2” wide steel minimum and mounted no more than 6” back from U-joint in driveshaft. Drive shaft must be steel.

16. Transmission: Must have forward and reverse gears and be able to shift to forward or reverse with engine running. Bert and Brinn type transmissions are permitted (no direct drives). Stock clutch type transmissions must have scattershield or blow proof bell housing. Automatics must be stock OEM cases and bell housings.

17. Engines: Must be able to be used in conventional passenger car without alteration. No machine work on outside of engine. No dry sump oil systems (racing type wet sump oil pans permitted). One four barrel carburetor naturally aspirated, no fuel injection, no electric fuel pumps, no magnetos. Rear of engine must be at least 72” forward from the center line of rear axle. No more than 2” engine offset. Minimum height 11” from center of crank to ground, no aluminum blocks.   Competitors may use an optional GM crate engine No. 602.   With the 602 option, competitors will get a weight and spoiler concession.

18. Radiators: May be aluminum, steel, or brass and must fit under hood line and be located in front of engine fan.

19. Bodies: Must resemble American compact passenger cars only (Daytona, Cavalier, Pinto, Probe, Mustang II, T-Bird, Monte Carlo, Gran Prix, Cutlass, etc.). Bodies must have front and rear windows open, steel screen and/or bars are mandatory in front of driver. Original roof line should be maintained with a maximum 1” drop rear to front. No wings, or other ground effects allowed inside or outside of car except an 8” spoiler.  Body must have a minimum of 4” ground clearance. Engine compartment will remain open with no side panels. Hood sides may have a maximum 4” drop and be enclosed at rear of hood. Rear of bodies are to have a solid panel at least 8” high with car number. Side windows must have a minimum vertical opening of 12” front to back. Nose piece no lower or wider than frame horns and no further back than radiator.   Firewalls and floor boards are mandatory. Handmade body parts may be constructed of steel, aluminum, or fiberglass, but should be recognizable as a factory production vehicle.

20. Seats & Belts: Must be aluminum racing seat with 5-point belt harness. Seat belts must be for racing only type and manufactured by a racing safety company. Belts must be mounted according to manufacturers’ instructions. Belts over 2 years old should be replaced. Damaged belts must be replaced.

21. Kill switch: A battery disconnect switch is required. This should be mounted within easy reach of the driver and the safety crew.

22. Front bumper: Must be mounted to end of frame, with bottom loop parallel to the ground. Minimum 1-1/2” tubing must be used. Rear bumper may be tubing or square stock and must protect fuel cell. Center of bumpers must be at least 18” from ground. No sharp edges.

23. Nerf bars: Must be inside of line from rear tire to front tire with no sharp edges. There is no tolerance.

24. Gauges: Oil pressure, oil temp., water temp., fuel pressure, brake bias pressure, volt or amp gauge and a tachometer are the gauges permitted. No digital dash panel. No lap timers or any other type of electronic gadgets permitted. No electronic traction control. No adjustable engine timing controls of any kind. No engine retarding devices allowed. No controlling of wheel spin by any device. No back up or dual ignition allowed.

25. Steering wheel: All car must be equipped with a removable steering wheel.

26. Wheels: Any 8” steel production racing wheel may be used. Beadlock wheels may be used.

27. Tires: American Racer: Hard and Medium 82/08 or 84/08 or 86/08 – 15 DT, or Hoosier: 27.5/8.0-15 RC4, A40, D40. 26.5/8.0-15 RC4, A40, D40, 26.5/8.0-15 SCL Medium, or 27.5/8.0-15 SCL Medium, or 27.5/8.0-15 SCL Hard.  Hard rears mandatory.

No softening or conditioning of tires allowed. No re-caps allowed.

28. Miscellaneous: No radios (transmitting or listening devices) or mirrors permitted. Mirrored finished stainless or other materials are not permitted, if used for the same purpose as a mirror.

29. Spoilers: Can be a maximum of 8 inches clear material. A maximum one inch flange can be used at the top of the spoiler for added strength. This flange does not count as part of the 8 inches clear material allowed. Spoilers cannot be wider than the car.

30. Front and rear roof edges must remain flat. No bending for spoiler effect.

31. Side panels from roof to rear deck can have a maximum one inch flange for added strength.

32. Drivers side window and passenger side window must remain open except for support angles in roof pillar openings. Support angles cannot extend past the front roof line. Roof pillars must be in place. Window net highly recommended in driver’s window.

33.  NO RADIOS !

34.  ANYONE FOUND TO BE SPEEDING IN THE PIT AREA WILL BE FINED $25.

35. No traction control of any kind – mechanical or electronic allowed. Only one ignition box allowed and it must be located in engine compartment. All wiring from distributor/magneto to ignition box or tachometer must be in plain view for inspection and have no splices or interruption in these wires. Speedway will have the right to confiscate any part of the ignition system for further inspection. If parts are confiscated, prize money and points will be held until results of inspection are known. All legal parts will be returned within 5 days. Violation of any of these rules will result in disqualification.

NOTE: The preceding rules and regulations are designed to provide for the orderly conduct of racing events and to establish minimum acceptable standards and requirements for such events. By participating in these events, all participants are deemed to have complied with these rules and regulations. No expressed and/or implied warranty or safety assurance shall result from publication of, or compliance with, the preceding rules and regulations. They are intended as a guide and are in no way a guarantee to any participant, driver or official, against injury or death. Any of the preceding rules maybe subject to revision if it is felt that the change would be in the interest of safety or the Division. Track Officials have the right to make decisions and to rule accordingly, in the interest of safety, without recourse from the drivers and/or owners. Track Officials will decide anything not covered in the preceding rules and regulations if, and when, it becomes necessary.

** Any changes to rules from previous year are underlined **

 

MANDATORY SAFETY RULES

1. All cars are subject to inspection at any time and must be free from mechanical defects and be in safe racing condition.

2. Driver’s seat must be securely fastened to frame or cage 3/8" bolts minimum. It is recommended that seats mounted over drivelines have a minimum 1/8" steel plate under and up the back 4" and be as wide as seat.

3. Flame retardant/shock resistant padding must be installed anywhere the driver may come in contact with driver’s head or any other points of contact. (To include the center of the steering wheel.)

4. All cars must have 4 (four) wheel hydraulic brakes, all in good working order. Steel rotors only.

5. Battery must be properly secured and must have top and terminals completely covered by rubber.

6. Fuel lines, power steering lines, and fittings running through driver’s compartment must be of approved type. (Braided lines recommended.) NO CAST IRON FITTINGS.

7. All cars must be equipped with 5-point seatbelts to “SF1 16.1 specifications”. All belts must be securely fastened to frame or cage. The sternum shoulder harness is highly recommended. Belts older than 48 months will not be allowed. Damaged belts will also not be allowed.

8. Tri-City Speedway highly recommends all drivers wear newest Snell approved full-face helmet and clean one piece SFI drivers suit, underwear, head sock, gloves, foot socks, and shoes to SFI specification 3.2A & 3.3, arm restraints and neck brace.

9. No drums of racing fuel may be brought onto the track premises.

10. Retention of Vehicles and Parts as per Insurance Requirement:

         Participant hereby grants Tri-City Speedway full and unconditional permission to collect and retain vehicles, parts of vehicles, equipment, or any other items used in conjunction with participation that are owned by or in the possession of participant or present at an event (collectively “items”), including such items that may be relevant to the investigation of an accident; the inspection or testing of such items, or for any other purpose Tri-City Speedway may exercise this right to take and retain items at any time when Tri-City Speedway determines in its sole and absolute discretion that such actions are necessary.  When an item is suspected of being out of compliance with a Tri-City Speedway rule, or when an item has been involved in an incident, Tri-City Speedway may in its sole and absolute discretion collect and retain such items if Tri-City Speedway believes it necessary to do so to further investigate, make a final determination, and/or preserve evidence, all in Tri-City Speedway’s sole and absolute discretion.  At any time that Tri-City Speedway collects and retains items, Tri-City Speedway will try to safeguard such items and return such items when Tri-City Speedway has completed its work with them, but Tri-City Speedway makes no representations or warranties that the items will not be lost, damaged, destructively tested, destroyed, or otherwise affected.  The rights granted to Tri-City Speedway in this subsection shall also apply to any Tri-City Speedway track officials.

Transponders will be used for scoring at Tri-City. Once you have your transponder, you will need to provide us with the ID number to enter in our scoring system. Transponders must be mounted on the firewall/motor mount 12” – 18” from the ground. The transponder must be mounted vertically with no obstruction between the transponder and the ground. It is recommended that a shield be installed in front of the transponder for protection from clay and debris. If using a rechargeable transponder with a mounting bracket, it is recommended that the transponder be reinforced with tie wraps or the like to prevent dislodging. Do not rely solely on the cotter pin.

Emod Design Image
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2008 E Mod Payoff