Buying a used rear

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05-13-2011, 12:05 PM

unseenT/A

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Car: 1987 Trans Am

Engine: Patriot Performance 383 500hp

Transmission: T-56

Axle/Gears: Dana 44 4.09's

Buying a used rear

Hey all,

Tonight i'm going to look at a 9bolt with 373gears and suppoedly some type of locker diff,out of a 86' Iroc Z supposedly it has new gears and everything.

Is there any way to tell if theres a significant amount of wear on a rear or if it's shot completely? i really don't want to get beat.He says he has the cover off to show me the gears nd stuff.

Thanks in advance.

Last edited by unseenT/A; 05-13-2011 at 12:14 PM.

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05-13-2011, 12:23 PM

JamesC

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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: Buying a used rear

Quote:

Originally Posted by unseenT/A

Tonight i'm going to look at a 9bolt with 373gears and suppoedly some type of locker diff,out of a 86' Iroc Z supposedly it has new gears and everything.

3.73's are a 10-bolt gearing. Info on both 9- and 10-bolts may provide helpful info:

https://www.thirdgen.org/forums/faq-...now-about.html

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

JamesC