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

7.5 gm auburn 26 spline posi

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Old 01-18-2011, 07:27 PM
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Car: 1987 Camaro Sport Coupe
Engine: 2.8 MPFI
Transmission: 5-Speed Standard
Axle/Gears: 3.42
7.5 gm auburn 26 spline posi

Will this replace my unit in my 1987 2.8 t5 Sport Coupe w/3:42 open diff?

I want to upgrade to posi and want to know if thats what I need? Thats cut and paste from an add.

Thanks
Old 01-18-2011, 08:23 PM
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Re: 7.5 gm auburn 26 spline posi

Pass on the Auburn. There are much better differentials out there. The Eaton Posi would be a great choice, and the Duragrip is also a great choice for a little less money.
Old 01-21-2011, 08:14 PM
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Car: 91 camaro rs
Engine: 305 tbi
Re: 7.5 gm auburn 26 spline posi

i have a 91 rs w/ 305 and open rear and want to put a posi in. Will the duragrip fit right in place of the old dif?
Old 01-22-2011, 12:54 AM
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Re: 7.5 gm auburn 26 spline posi

You will have to shim it to set the backlash and bearing preload, but that has to be done no matter what differential you use.
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