gains on my setup with accufab plenum/tb??

stang9gt

Founding Member
Dec 21, 2001
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State College, Pa
What gains would I expect to see adding the accufab plenum with 70mm tb on my current setup....PI heads, hp blower cams, long tubes, 80mm maf, all other little bolt ons that made 280rwhp...Somewhere around 290 now since I got the cams shimmed and setup correctly....