Quote:
Originally Posted by JL8Jeff
You'd probably be better off with the Holley Stealth Ram intake and a 52mm TB. The TPI runners will limit flow.
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Jeff is right. If you want a cam/head combo that pulls to well over 6K RPMs, the Stealthram intake manifold is the way to go. You'll trade some bottom end torque, but gain big-time upper RPM horsepower over a TPI manifold. Even modded TPI systems (bigger runners, ported plenum, bigger TB, etc.) run out of air around 5500 RPMs, so using a cam that makes peak HP above that is useless. If you decide you want a really torquey motor that won't see above 5500 RPMs, then keep the TPI and modify it with the bigger runners and TB.