Quote:
Originally Posted by Monte Howard
My only question is, doesn't the rule book state no porting or polishing on cylinder heads?
Don't all the new cars, COPO, drag paks, and cobra jets have CNC ported heads from the factory?
Wouldn't this make them superstock motors because of this?
Don't shoot just asking.
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The production LS7 Corvette head has always been CNC ported. That is the head used on the 427 and 327 COPO engines. The LS3 head used on this years 396 and 350 is run as cast.