Mini Stock Rules Continued......
Four cylinder engines only.
Overhead cam engine; 140 cubic inch or 2.3 + 0.60.
Overhead valve engine; 181 cubic inch or 3.0 + 0.60
Ford may run any steel or cast head (no dual plugs)
No dual overhead cam engines.
Shaving or milling heads ok.
Any car with ported heads must weigh 300 lbs. or more. Total weight 2400 lbs. (REVISED FOR 2012 SEASON)
Any size valve or valve spring.
Any hydraulic or solid cams are legal.
No roller cams on over head cam engine.
Push rod engines may run any cam and pistons.
Port and polishing ok.
GM, Nissan, Toyota, and Chrysler may run any steel or factory aluminum head.
No after market aluminum head on any engine.
Short block may run any rod and crank. Must be stock bore and stroke.
Pistons B Flat top pistons on overhead cam engines.
Intake B any intake ok.
Engine must be same as manufacture.
If you have questions call Mark Brill 405-769-6927. DON’T GUESS!!!
IF IT DOESN’T SAY YOU CAN DO IT IN THE RULES - YOU CAN’T !!!