Thread: 383 small block cam kit?
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09-18-2009 08:46 AM #1
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- Dec 2005
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- Car Year, Make, Model: 68 Firebird 439 BBC
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^^^ yup that's the rule of thumb I use to get close CIDx2
If you want to get more scientific:
CFM = CID x MaxRPM/3456 x VE
Where VE is volumetric efficiency. We use VE=80% for street motors 110% for race motors
-ChrisPaint don't make it no faster 
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