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Old 10-08-2012, 04:22 PM
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Originally Posted by the82elco View Post
i was going to put it on a mild built sbc 350 bore 40 over
Holley's Interactive Carb Selector recommends a 600 to 650 CFM w/ vac secondaries for a "mildly modified" 350 with a max RPM of 6,000 in a vehicle weighing more than 3100 lbs ... etc.

Here' an actual CFM calculator which accepts some variables (like Volumetric Efficiency).
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