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4th gen posi trac w/disc brake rear in third gen?

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Old Jan 20, 2011 | 10:45 AM
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kbhughes87's Avatar
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4th gen posi trac w/disc brake rear in third gen?

I recently found a deal on a fourth gen posi trac rear with disc brakes. i was wondering what is necessary to be able to put under my 87' firebird. is it a direct bolt in that is 1.5 inches wide on each side? or will other things need to be replaced as well?

thanks
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Old Jan 20, 2011 | 11:41 AM
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JamesC's Avatar
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Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
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Re: 4th gen posi trac w/disc brake rear in third gen?

Originally Posted by kbhughes87
I recently found a deal on a fourth gen posi trac rear with disc brakes. is it a direct bolt in that is 1.5 inches wide on each side? or will other things need to be replaced as well?
Welcome to TGO.

Yes. Yes.

The following link should provide the info you require:

https://www.thirdgen.org/forums/tran...-10-bolts.html

BTW, a search on TGO is generally a good idea as there's little that hasn't been asked and answered. Good luck with your project.

JamesC
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