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Okay, how about this: if someone had a nice 440, stock stroke and went from 84cc rpm heads to victor heads ( both standard opening), what could you expect?



Depends on the rest of the combo, whats the rest of the build? Are they both out of the box? The Victors look like a REAL nice head, especially for what they cost. The combustion chamber on the Victors are certainly better than the RPMs, which are probably the worst of the aftermarket heads available in a tie with the Stealths. But the difference in flow is what I'd be more excited about.

Last edited by GTX MATT; 03/25/14 01:04 PM.
Now I need to pin those needles, got to feel that heat
Hear my motor screamin while I'm tearin up the street