Thread: 402 (.030 over)

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well you will need the 102 cc to keep the 9.1 to run any kind of cam .if you use a big chamber head with more cc you will lose steam CR and have a pig. them old heads i would say could make 400 hp with a small roller cam that is were you should put your money not in the heads that will not work. i am not up to speed on the procomp heads i do not use them.they make a 102cc head? and a small valve them396/402 bores are small you very well could be cutting the deck for the intakes valves to clear as well as cutting them pistons for the bigger intake valves . get me the casting numbers of the old heads with some work could get you were you want or very close