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05-04-2006, 07:37 PM
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Need help on 454 pistons/comp
HELP-
Have buddy that needs pistons quick... .06 over 454 with open chamber rec port heads in jet boat. ???with bbc what will a .250 dome speed pro with 118cc head give for comp/ratio for instance....??? Anybody that has this stuff in their head Please help me- looking for a piston that will yield about 10 to 1 static... cam is comp 280 mag and will be running 50/50 fuel... DR 
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05-04-2006, 08:03 PM
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Some good info for ya is right here
Also go to the main page and look under pistons and other brands are also there... Good for ref`s... 
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05-05-2006, 10:18 AM
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somewhere around 9.3 to 9.8:1
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