port matching intake plenum and intake manifold

mojo

Senior Member

Posts: 209
#1

port matching intake plenum and intake manifold

12-19-2007, 01:46 PM

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.

The days of NA

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Steve88t

Senior Member

Posts: 1337
#2

12-19-2007, 01:49 PM

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.

http://z31performance.com/forum/viewtopic.php?f=5&t=147
SATAN

Senior Member

Posts: 6782
#3

12-19-2007, 11:58 PM

mojo wrote: 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.

Anytime you match up your ports on anything, there is a gain to be had.

85 Z31 6.0 LSX turbo 766whp/792wtq
04 GTO, LS6, big cam, porting, N20… underway for summertime daily driver.