Horsepower calculation

[Drax240z]

There are some good car math websites out there, I've been using the one at:

http://www.prestage.com/carmath/

It seems pretty good. Remember that if you are trying to calculate your CFM
requirements from displacement, you should increase your effective
displacement by a factor of 2, for every 14.7psi of boost you run. A 168ci
engine at 14.7psi boost should have the same fuel/air requirements as a
336ci engine at atmospheric conditions.

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Does anyone know the best way to calculate the total CFM needed to produce a
specific Horsepower?

This will be for a boosted (turbo/blower) application.

Thanks

SF
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