Rocker Arms
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Junior Member
Joined: Feb 2009
Posts: 22
Likes: 1
From: Collinsville, OK 74021
Car: 1991 pontiac firebird
Engine: 1991 3.1l LHO
Transmission: Th700r4
Rocker Arms
I'm currently trying to adjust my rocker arms after a complete engine overhaul. I have the 1991 3.1l 189CID v6. I need help to identify the Intake from the exhaust rocker arms. As the Chilton Maintenance book does not show or tell.
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iTrader: (1)
Joined: Jul 2007
Posts: 1,141
Likes: 2
From: MA
Car: '87 IROC/'68 SS
Engine: 5.7L/350
Transmission: 700R4/Muncie 4-spd
Axle/Gears: 3.27 9 bolt / 3.31 12 bolt
Re: Rocker Arms
Just look at the ports next to the valves. Half lead to the intake manifold and half to the exhaust.
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