What Gears did 89 RS 2.8's come with????
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Supreme Member
Joined: Mar 2000
Posts: 2,028
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From: St. Louis, MO
Car: 85' Firebird (Project), 92' RS
Engine: 2.8L, LS1
Transmission: 700R4, 4L60E
Axle/Gears: 3.42 Open , 10 Bolt (ukn)
Fast RS, find your RPO code sheet, and deocde it on the site. it'll give you your rear end ratio.
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UltRoadWarrior9
Transmissions and Drivetrain
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Sep 2, 2015 08:24 PM




