Forums/Z31P/z31-performance-upgrade-forums engine-mechanical-aa/port matching intake plenum and intake manifold
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mojo: (2007-12-19 18:46:49)
would there be any gain in port matching the intake plenum and the intake manifold, i have a pathfinder plenum with a 60mm tb on it right now.
Steve88t: (2007-12-19 18:49:38)
I doubt there is much difference between the plenum and lower intake. But I know the lower intake and heads often do not line up perfectly.
SATAN: (2007-12-20 04:58:51)
Anytime you match up your ports on anything, there is a gain to be had.