Quote:
Originally Posted by kwmech
Never in my life have I heard that. By that reasoning I should have a 900cfm carb on my big block? Way too much fuel.
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I guess i remembered that wrong. I had an old performance expert tell me a ratio way back and it held true. Maybe it was 1.2:1 or 1.5, but forget all that. I know there is a formula, CFM = Cu In x RPM x Volumetric Efficiency (80%-90% normal w/race engines 95%-100+%) divided by 3,456.