Can any power or delivery gains be expected on my N/A (Naturally Aspirated) VS V6 with the use of a 25mm plenum spacer over the 12mm plenum spacer or even not having a spacer?
Posted by on 21 April 2018 08:15 AM
It is recommended to use the 12mm plenum spacer for N/A applications. The 12mm plenum spacer improves air distribution between cylinders as well as increasing plenum volume resulting in low end torque gains. Engine performance is improved when utilizing a plenum spacer compared to the standard plenum.

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