rear end question.
Thread Starter
Junior Member
Joined: Nov 2009
Posts: 9
Likes: 0
From: Overland Park, KS
Car: 1986 Camaro Iroc-Z28
Engine: 305 5.0 L
Transmission: 5 speed
rear end question.
I have a 1986 Camaro Iroc-Z28 with a 305 and a 5 speed. Its a limited slip rear end and i was looking to up grade to a posi. Any suggestions on a new rear end and how hard of a job is it.
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: rear end question.
The following will provide some food for thought:
https://www.thirdgen.org/forums/tran...-10-bolts.html
JamesC
Supreme Member
Joined: Sep 2008
Posts: 3,777
Likes: 0
Re: rear end question.
Yea, posi is Eaton's name for their limited slip differential. Posi is limited slip. If you are spinning one wheel then you have a standard differential or "open" differential. You could also have a worn nout limited slip, which would be the Auburn in this case. The Aubrun is not rebuildable, so you would have to replace it anyway. I recommend installing a new Eaton Posi in the rear end that you have. You will have 26 spline axles in your '86. You will need bearings and shims to install it, and a dila indicator with a magnetic base to measure backlash.
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