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Head flow is king, period. If you've got a good set of heads you will make power.


It's not that simple...



Not that simple but it's a damn good start.


Only if other key things are taken into account. Just because you've got a "good set of heads" that flow well doesn't mean they're the right set of heads for an application.

Put a set of 350cc ported Indy 440-1s on a stock-stroke 400 and you'll have a gutless pig below about 5500 and needs to rev to 8000 to even come close to making the heads "work". Not my idea of a good combination...

I'll take an "OK" set of heads for the right application over a "good set" of heads for the wrong one.

(And this is what results when some people make really generic - and flawed - statements that more detail-specific people take exception to. )



didn't the Brown Sugar car have small cubes with B1 heads and was extremely fast to the point that people thought he was spraying?? I think its more about the combo and and since I'm a street guy I prefer a smaller port but on a race car then I would say Big Heads


this just reminded me of, me and Quicktree went to the PRI show together. there was a set of BB edelbrocks RPM heads next to 360-1 Indy heads and Quick started laughing at the port size of the BB heads and how small the port was. I was at that point ashamed of my RPM heads and bought EZs

Last edited by sixpackgut; 01/15/15 05:46 PM.
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