Valve Heads
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Joined: May 2004
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From: Miami, FL
Car: 1988 Pontiac Trans Am
Engine: 383 Stroker
Transmission: T-5
Axle/Gears: Borg Warner 9-Bolt, with 3.42 Gears
Valve Heads
Alright Does anyone know the difference between the heads on a 2.8L and the ones on a 3.1L? I got free heads that came of an 88 Firebird. They are rebuild and have performance springs. If i put those on with my cam and rockers will i lose power or gain some? I just thought that the manifold holes might be smaller. Sorry if i sound kinda lame...im new to this V6 modding deal.
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