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FWIW - For my '86 3.2 engine with all stock internals and only mods of MAF, extrude honed intake, oversized throttle body, mild chip, stepped headers & race pipes, it dyno'd at 221 RWHP. Although results vary between dynos and conditions the intake mods seem to have added about 5-6 RWHP with everything else the same. Should be a greater improvement for your engine that will be needing to pump more air than mine. Wish you the best in your build. Hope you get those piston clearances right!! ;-)
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