Transmissions and Drivetrain Need help with your trans? Problems with your axle?

85 T/A rear end

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Old

Aug 23, 2006 | 09:45 PM

#1

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Joined: Jul 2006

Posts: 304

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Car: 1987 Pontiac Trans Am

Engine: 350 Vortec

Transmission: 700R4

Axle/Gears: 3.42

85 T/A rear end

What is the stock rear end out of a 85 Trans Am?Is it posi?What is the gear ratio?

Old

Aug 24, 2006 | 05:43 AM

#2

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iTrader: (5)

Joined: Aug 1999

Posts: 19,282

Likes: 103

From: Lawrence, KS

Car: Met. Silver 85 IROC/Sold

Engine: 350 HO Deluxe (350ci/330hp)

Transmission: T-5 (Non-WC)

Axle/Gears: Limited Slip 3.23's

Pull the diff cover and see.

JamesC

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