#25

12-08-2025, 08:32 PM

Stan Weiss Stan Weiss is offline

Ultimate Warrior

Join Date: Jul 2013

Location: Philadelphia, PA

Posts: 5,339

Quote:

Originally Posted by slowbird

My HP heads kept getting larger and hp and rpm kept increasing. CFM never really picked up much. In my case larger was better.

Port velocity on a flow bench is one thing, and on a running engine is something else. While everyone talks about cfm for a give engine size, RPM and VE% you also need to have correct CSA.

Stan
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