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

advice on broken posi rear

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Old May 8, 2003 | 03:09 PM
  #1  
camzcruizer's Avatar
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From: Northern NJ
advice on broken posi rear

my posis been broken all winter and im thinking about getting it fixed or fixing itmyself i have a 3.42 disk rear and was wondering how much this will cost to get the posi unit replaceeed or rebuilt because i dont want to get ripped off, i dont think i want to tackle this project by myself but if its gonna be a lot cheaper than maybe i will, any advice would be great thanks
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Old May 8, 2003 | 05:27 PM
  #2  
Tom84L69's Avatar
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From: Kalamazoo,Mi,USA
Car: 84 Z28
Engine: L69: cam and porting
Transmission: T5, 3.73 rear
I have a broken posi in my 3.73 disc rear. The option I am most fond of is the Eaton positraction unit. It's about $300 and it's a clutch type posi, meaning it's rebuildable and if it wears out, it acts like a regular open rearend till you rebuild it. Least hassle in my opinion.
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Old May 8, 2003 | 06:07 PM
  #3  
85IrocNOH's Avatar
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Joined: Jun 2002
Posts: 233
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From: Colonial Heights, VA
Car: 85 Iroc-Z
Engine: 305 TPI
Transmission: 700r4
Axle/Gears: 10-bolt 3.42
you could get a stock zexel torsen posi carrier from slponline.net as long as you have 28 spline axles. they're new and only 99.95. i think they're take-outs from the fourthgens when slp modifies them. part #64501T
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Old May 14, 2003 | 10:35 AM
  #4  
camzcruizer's Avatar
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From: Northern NJ
okay guys thanks for that info im gonna look into the SLP deal since i dont have much money you think its worth it to switch to 3.73 rear while the axle is apart?
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Old May 14, 2003 | 12:16 PM
  #5  
Roostmeyer's Avatar
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From: Wichita, KS
Car: 88 Trans Am GTA
Engine: 5.1L Gen III
Transmission: T56
Axle/Gears: 3.70
3.42 are about perfect for stock TPI with an automatic, lower gears are good for burning rubber but you'll be revving 3rd gear out a little to much in the quarter, of course its just a matter of opinion
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Old May 19, 2003 | 05:02 PM
  #6  
camzcruizer's Avatar
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From: Northern NJ
thanks for the info
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