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

4th gen rear end swap

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Old

Apr 23, 2010 | 06:49 AM

#1

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Joined: Aug 2009

Posts: 97

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4th gen rear end swap

So I have tracked down a 4th gen posi rear end to swap into my Firebird. To my understanding its a direct swap, what I want to know is, does this include the torque arm mount?

Old

Apr 23, 2010 | 06:54 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

Re: 4th gen rear end swap

Quote:

Originally Posted by Benjam88

So I have tracked down a 4th gen posi rear end to swap into my Firebird. To my understanding its a direct swap, what I want to know is, does this include the torque arm mount?

I've never heard of its being a problem, though I suspect most members simply use the one in their thirdgen.

JamesC

Old

Apr 23, 2010 | 07:39 AM

#3

Supreme Member

iTrader: (9)

Joined: Dec 2004

Posts: 2,042

Likes: 18

From: Lincolnton, NC

Car: 88 IROC

Engine: 97 5.7 Vortec LT4 hotcam

Transmission: 700 r4

Axle/Gears: 3.73

Re: 4th gen rear end swap

I reused my original from my 88.

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