performance ?
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Joined: Aug 2002
Posts: 475
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From: poughkeepsie,new york
Car: 1989 GTA
Engine: 350 TPI (Many Mods)
Transmission: 700R4
performance ?
i was thinking about porting my base,plenum and runners and my stock intake manifold and installing 1.6 roller rockers. my ? is would i see any horsepower diffrence? if so would i really feel the diffrence?
Supreme Member
Joined: Aug 2001
Posts: 1,228
Likes: 1
From: Caldwell, NJ
Car: 88 IROC Convertible
Engine: 305 TPI
Transmission: Raptor 700
for the money that you spend on doing these things ($0) i'd say its well worth it. I think porting the stock stuff would prob give you a decent 20hp(?) increase. once again its not bad for just taking your time and not spending any money
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Pac J
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May 17, 2020 10:44 AM
