Quote:
Originally Posted by Dragncar
Those High Ports are very close to my HPs up until .700 lift. And my heads have stock port openings, bowl work only.
They never get to 380cfm, even at 1" lift.
More like a 350cfm head where you can use it on a street driven engine.
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… bore cylinder size on the flowbench could be responsible for that … I used a 4.375 bore to flow both heads because that’s the only size I had available for the Pontiac fixture at Sonny’s …