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Old 01-06-2009, 11:10 AM   #13
Mike Pearson
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Default Re: Runner Volumes

Hey Daran. Jay Slane had similar results with a set of 441 heads that he is working on. All of the small block heads that I have CC'd before porting have come up about 6 CC's smaller than the SS limit. I am not sure how that compares with big block or other brands. NHRA will probably just allow some mild porting and epoxy in the intake and welded exhaust like SS. They couldnt control the head rule in super stock so they changed the rules. They will probably do the same for stock. Then a good set of heads will cost 7500.00 but you wont have to worry about passing teardown. As long as the valve size is correct and the CC's are right you will pass.
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