360 SPRINT CAR

 ENGINE RULES:

1. Maximum cubic inch limit is 366 cubic inches.

2. No aluminum blocks.  No titanium in engines, excluding valves and valve retainers.

3. Injectors: 2-3/16-inch maximum inside diameter of injector stack-2.187 at least 3 inches in length.  Note:  Larger injectors may be used, but sleeves a minimum of 3 inches in length must be installed in stacks above the butterflies.  No relief hole may be drilled above the butterfly on any injector.  No alteration of injector manifold mounting holes will be allowed.

Due to manufacturing process, some injector stacks may be slightly larger.  There will be a tolerance of .005 allowed on no more than 3 stacks.  No throttle body or plenum type injectors allowed, no down nozzle injectors.  All Ford/Chrysler engine injectors, inside stack must measure 2.100 in diameter and at least 3 inches in length.  (Stack diameter of Fords and Chryslers are subject to change.)  All injectors must measure 2.100 inches inside diameter and at least 3 inches in length with the exception of Kinsler and Hilborn, unless written approval is obtained from East Bay Raceway Park.

4. Spec heads:  With ASCS stamp, may not be altered in any way.  Intake opening must be no larger than original opening; the only exception being, inlet opening may be ground or polished; inches or no further into pot than the closed edge of the closest letter of the ASCS logo.  During this polishing, the left side of the letter "A" is sometimes inadvertently brushed with polish wheel. This is permissible as long as letter is still intact.  Intake port at no time may exceed 215 cubic centimeters.  No lightening of heads.  ASCS/USCS logo must be visible on outside.

Intake port polishing will be allowed no more than 1-1/2 inches below the bottom of the original seat ring on the backside of the bowl area and no more than 1 inch on the short side.  Polishing will be allowed in the combustion chamber area to avoid hot spot chaffing.  Polishing will be allowed in exhaust ports as long as the original "ASCS" logo is not affected or port shape is not altered substantially.

Absolutely no intake or exhaust port relocation, raising, enlargement or reshaping of any type.  Valve angle and placement may not be altered in any way on the ASCS spec head.  ASCS checking fixtures to check the above specifications and dimensions will be used at any sanctioned track.

Any internally repaired ASCS spec head must be re-certified by Brodix.

5. ASCS spec head only.  Heads must remain with + or -2 degrees of the original 23-degree valve angle.

6. Penalty for altered spec head will be subject to suspension to be determined, forfeit all points and monies won during the race in which the infraction was found and subject to a $500 fine that must be paid to East Bay Raceway Park before reinstatement.  Intake port at no time may exceed 215 cubic centimeters.

7. All oil pans must have inspection plug.  Pans without plug will be subject to pan removal at anytime.

8. The rules pertain to the small block Chevrolet; however, any engine may be used after the heads have been approved by East Bay Raceway Park.

D.  CHASSIS SPECS

1. WINGS:  Hydraulics slider wing allowed.  Maximum top wing size of 25 square feet with 30-inch side panels.  Maximum center foil width of 60 inches.  The deepest point allowed in the top surface of the wing will be 2 inches measured from top front of the wing to the front edge of 1-inch turn up at the rear edge (or to the rear edge, if there is no turn up).  Top surface of the wing measuring crosswise must be flat.  No car will be allowed to compete without top wing.  No wicker bills or additions to center foil.    One inch turn up on 90 degree angle allowed at rear of center foil (maximum).  Center foil must be one piece.  Side panels must be one piece.  No split wings or bi-wings.  To p wings must not extend beyond outside of rear tires.  Maximum front wing size to be six square feet total with a maximum width of 36 inches and 12-inch side panels.  Two stationary foils or rudders will be allowed to runt the entire length of the underneath portion of the top wing.  Maximum height proportions are one inch at the front and three at the rear.

No side foils, rudders or panels are to extend beyond roll cage on any side, no body pieces to extend beyond or underneath front torsion tube except hood.  Sunshields cannot restrict vision.  No wedges or foils underneath race car.   No pieces may be added to the frame so as to resemble, imitate or be specifically designed to deflect, trap or form a wind break of any nature; except those used to cool/protect the motor and baking system.

2. Any sprint chassis allowed, but, it must pass any test prescribed by the safety inspectors. The roll cage must be of a four post design.  No dirt champ cars.  No elliptical (oval-shaped) tubing used on or as part of the main structure.  Minimum wheel base is 83 inches.

Maximum wheel base is 90 inches.

3. No turbine driven, turbo or blowers will be allowed.

4. Only two valves and one spark plus per cylinder allowed.  No big blocks.

5.  No computer operated or controlled parts, such as fuel injections, fuel systems, chassis adjusting system, etc.  No chassis adjustment devices--manual or computerized.  No remote adjustments.  No traction control.  Hydraulic wing adjustment O.K.

6. No offset motors will be allowed; engine must be directly in front of driver.  Driver must straddle drive line.  No roadster-type chassis allowed; only sprint appearing type bodies, tails and hood will be allowed.

7.  Fuel cell securely mounted with bladder mandatory. Tank used for qualifying heats must remain for all events or equivalent.  Fuel shutoff must clearly indicate the "OFF" position.

8. No flammable liquids allowed in cooling systems.  No fuel additives.

9. Bumpers and nerf bars are mandatory and must be securely mounted.  No aluminum frames, bumpers or nerf bars.  Nerf bars must not be outside of tires.

9A. No battle bars.

10. All drive lines must be broken in the coupler or rear slider, full enclosed and contain no more than one U-joint or C-V joint.  NO torque arm drive lines allowed.  A safety strap is strongly recommended.

11. Mufflers:  Mandatory #112535 Schoenfeld.  Turn downs optional.

12. No two-way radios will be allowed.  Raceceivers mandatory.

13. Number 18" high must be displayed on BOTH sides of race car tail tank, top wing sideboard, and on top of wing at an angle. 

Letters preceding or following numbers must be 9" and legible.

18” number on top of wing at an angle is mandatory. 

If no number is displayed on the car, they will not be scored.

East Bay Raceway Park scoring officials will not be held responsible for scoring errors arising from duplicate numbers, similar (or identical) cars or non-legible numbers.

14. No radios.

TIRES AND WHEELS

1. Refer to EAST BAY RACEWAY PARK Racing Tire Division:  Gene Slaughter 813/671-4698

2. Beadlocks recommended on all wheels.

3. Illegal tires will result in disqualifications for that evening.

4. Track approved tires - Hoosiers R. R. -F35

                                                        L. R. -F15

                                                        Front-F35/ F45

5.  No tire softeners.  No soaking of tires.  No preheating of tires.  No chemicals of any type inside tire except oxygen or nitrogen.  If found, tires will be confiscated, driver will receive a minimum $500.00 fine, loss of all points accrued to that date and/or possible suspension. 

No grinding or removal of factory markings.

F.   FUEL

1. Methanol or Ethanol only.  NO NITRO or additive allowed.  Fuel subject to be checked at anytime by officials.  NOTE:  Fuel samples may be taken for analysis and prize money may be withheld until results are known.  (Penalty for fuel infraction will result in forfeiture of all points and monies won during event detected and a fine up to $250.)

G.  SAFETY

1. All drivers are required to wear SNELL 2000 approved helmet, a fire retarding uniform, protective gloves and arm restraints during competition.  Fireproof underwear is recommended.

2. All cars must be equipped with adequate seat belt, shoulder harness and crotch strap.  East Bay Raceway Park demands a five-point hookup with 3-inch belts.  Seat belt to be no older than three years.

H.  WEIGHT

1300 lbs. without driver or 1465 lbs. with driver after completion of race.

I.   PROTESTS

1. Protest will be taken only from a driver or car owner and then only if the protest is in writing and accompanied by the appropriate protest fee in cash to an East Bay Raceway Park official.  In the event the protested car is found to be legal, the protest fee shall be given to the owner of the car protested minus track expenses.

2. All protests must be filed within (10) minutes of the completion of the feature race.  All protests shall be decided upon by the East Bay Raceway Park representatives.  Any appeal of official decision must be filed in writing within (10) minute of notification with East Bay Raceway Park official.  All decisions by East Bay Raceway Park Tech Officials will be final and binding.

3. No protests will be accepted on judgment decisions.

4. In the event a car is protested and found to be illegal by the inspector, the driver an car protested shall have all points and monies forfeited that were won during the particular race program in questions and may be suspended.  Any monies that would have been paid to car will be paid to the East Bay Raceway Park point fund.

PROTEST FEES:  Total fee is first figure.  (Figures in parentheses are protest filing fees).

1. Motor tear down (heads off) and cylinders inspected $500 (filing fee $150)

2. P & G fuel test $500 (filing fee $100)

3. Other technical protest; $200 (filing fee $100)

BLACK FLAG PROCEDURES

If the black flag is displayed for your car, you must exit the racing surface.  Your car will be scored to that point and finish.  Points and mney will be determined at the end of the race.  However, if you choose to ignore the black flag and continue racing, all money and points will be withheld.

RULE BOOK DISCLAIMER

The rules and/or regulations set forth herein are designed to provide for the orderly conduct of racing events and to 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 complied with these rules.  NO EXPRESS OR IMPLIED WARRANTY OF SAFETY SHALL RESULT FROM THE PUBLICATION OF  OR COMPLIANCE WITH THESE RULES AND/OR REGULATIONS.  They are intended entirely as a guide for the conduct of the sport and in no way guarantee against injury or death to any participant, spectator or official.

The race director or Head Tech Inspector shall be empowered to permit reasonable and appropriate  deviation from any of the specifications herein or impose any further restrictions that in their opinion do not alter the minimum acceptable requirements.  ANO EXPRESSED OR IMPLIED WARRANTY OF SAFETY SHALL RESULT FROM SUCH ALTERATIONS OR DEVIATIONS.  Any interpretation or deviation of these rules is left to the discretion of the officials and is final and binding.

On occasion when situations arise that are not covered by written rules herein, special rulings may be put into effect by the track officials.  Once such rulings are acted upon, they may become an act of policy and will be added to the existing rules of procedures.