TwinTurbo.NET: Nissan 300ZX forum - does porting the upper/lower plenum yield in any gains?
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Subject does porting the upper/lower plenum yield in any gains?
     
Posted by fuzzymonkey on May 10, 2012 at 10:44 AM
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Message I have no reason to pull the lower plenum, but have to the upper. Wondering if the extra 60$ in gaskets make it worth the pull plus grind? I would assume that after throttle bodies, this is the biggest bottleneck.

To gaiin 2hp, it's not really worth it, unless of course I have a reason to pull the lower, but I don't :)

     
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