Quote:
Originally Posted by slowbird
Not sure those equations ends up with accurate info using them like you are. I just tried them on a couple combos and 1 showed over 70cfm more than reality.
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Brian,
While I have used that formula for a quick and dirty calculation, as you say many times it come up off. It assume a great number of thing. As an example. If you have an engine and only change CR then HP should increase with the same head flow.
Stan
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