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post #1 of (permalink) Old 03-31-2014, 05:15 AM Thread Starter
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Join Date: Dec 2004
Location: Amish Wonderland Of Central PA
Posts: 4,911
Stroker intake manifold RPM change-PSIG???

I am looking for the formula that calculates the expected new RPM max of an intake manifold once its installed on a much larger motor.

Pertinent examples--If max on an intake is rated at 8500rpm on a 351w, what would the expected max rated RPM be on a similarly equipped 428W?

Same calculation of a 7500rpm max on a 351w to the 428w?

Would the same formula apply to the lower range of the power band (lets say 351w @ 4500 vs 428w?)



65' Stang Street/Strip. Dart 434W NA, Victor heads, G101A 4 Spd, 4:56 rear gear, on 93 octane pushing 3550lbs. [email protected]
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