One battery only. Must be shielded and securely mounted between frame rails. Must have capability of starting without being pushed or pulled. Must leave initial staging area on demand, unaided or go to rear of that race.
Round tube headers only. All primary header tubes must enter directly into one collector at same point at end of header and point rearward.
No transmitting or listening devices, timing retard controls, or digital gauges (including tach). No electronic monitoring computer devices capable of storing or transmitting information except analog tach. No adjustable ignition control boxes. Only one 12 volt ignition box allowed, must be out of driver’s reach. No additional ignition accessories allowed. Only change allowed to ignition box is one high-end rev-limiter setting. This setting can be changed through one chip only, or an internal setting inside box. No electronic traction control devices.
Weights must not be used in driver’s compartment or outside of the body or hood area. Any weights added to other areas of vehicle must be securely mounted and must be painted white and have the car number on it, and attached with at least two .5 inch bolts.
Rear of engine (bell housing flange) must be mounted at least 72 inches forward from centerline of rear axle. Engine offset must be kept within 2 inches of centerline of front cross member with engine level. Minimum 11 inch engine height from ground to center of crankshaft
Any American make engine allowed. Steel heads, block and oil pan only. Aluminum heads are legal. All engines must be able to be used in conventional passenger car without alteration. Engine mounts cannot be removed or altered. Castings and fittings must not be changed. No machine work on outside of engine. “Wet” oiling system only.
If you have any questions call Mark Brill 405-769-6927. DON’T GUESS !!
IF IS DOESN’T SAY YOU CAN DO IT IN THE RULES…YOU CAN’T !!