1. TIRES
   Hoosier D-55
   American Racing Tire D-56
   Spec Tire
   (No Star 55 tires)
   *All Tires must stick 60 at all times.*
2. ENGINES/WEIGHT/SPOILER
   No Aluminum heads or blocks allowed
   No raised runner heads.
3. STEEL HEADS - 23 degree heads for Chevy; 18 degree heads Mopar only; 10 degree heads Ford only. (N-351 Allowed) 49cc minimum (plus or minus 2cc) 362 Cubic inch maximum. Roller Cam Allowed. Flat top pistons with dry system 2450lbs. (wet systems 2400lbs.) with a 12”x72” Spoiler, and no longer than 18”, 12” high on side braces.
4. After market rods and crank shafts allowed.
5. All weight standards listed above include driver.
6. No grinding or blending of CNC work is allowed.
7. No grinding or polishing on the breather area.
8. No use of any substance that may change or alter the shape or size of port or combustion chambers allowed.
9. A maximum valve size of 2.050 intake and 1.600 exhaust will be allowed for all heads.
10. Valve seats and guides are to remain as manufactured in their cast positions. Valve angles are to remain as manufacturers. The original seat center locations are provided by the Head manufacturer may not be altered.
11. No tapering or reshaping of valve guides will be allowed.
12. Minimum valve stem diameter is 11/32”
13. All cylinder Head serial numbers must remain on the head and may not be defaced or altered.
14. No welding or modifications are allowed to the original head castings.
15. Engine cu in. formula: Bore x Bore x Stroke x.7854 x #of cylinders.
16. V-6 rear of block must be in the same location as that for the V-8 engines.
17. All engines must be based on factory designs and be naturally aspirated. No turbo chargers or blowers. No fuel injection.
18. Maximum engine setback is 6 inches for all cars with a ½” variance allowed. Measured from the center of ball joint to the number 1 front spark plug hole.
19. Magnetos are permitted, but all cars must have an operating self-starter.
20. Any attached weights must be securely bolted to frame, and must be painted white or silver and have car number clearly painted on them. Due to high risk factor involved, any car that loses a lead weight during any event may be banned from events for the rest of the season or fined. Two attaching mounts are recommended.
21. The minimum weights specified for each engine rule, are the minimum that the race car must weigh at qualifying/time trials.
22. Bert transmission or equivalent is permitted.
23. Engine Protest: $200 to have motors P&G; $300 to buy MSD box only
    Tear Down: $450 Head and Manifold; $450 Bottom End.
24. IN AN ATTEMPT TO MAINTAIN TRACTION CONTROL, THE TRACK HAS THE RIGHT TO BUY ANY PART OF THE CAR AT FAIR MARKET VALUE. (ANY PART THAT PERTAINS TO TRACTION CONTROL)
25. THIS CLASS MUST HAVE 10 CARS OR THE PURSE MAY BE CUT BY ONE POSITION; FIVE CARS OR LESS MAY WARRANT CUTTING THE PURSE TWO POSITIONS.
    

THE ABSENCE OF A SPECIFIC RULE DOES NOT IMPLY APPROVAL, CONSENT, OR PERMISSION REGARDING THAT SUBJECT, ANY QUESTIONS OR DOUBTS REGARDING SUCH MATTERS SHOULD BE DIRECTED TO THE RACEWAY’S OFFICIALS!

**BASED ON 2004 SOUTHERN ALLSTAR RULES, AS MODIFIED