Open Chamber Heads vs Closed Chamber Heads....

RustyRatRod said

Those old closed chamber big Chevy heads flow better than you think they do. Were the chambers not turned, they would suck. They don't suck.

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Yep, my Chevy friend showed me them years ago at our porting party. lol
We had money for beer, but not gas. We ported heads. lol and built motors.