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

Broke my 9 bolt today....

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Old Jun 27, 2010 | 08:39 PM
  #1  
9014josh's Avatar
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From: Leicester,Ma.
Car: 1988 TA
Engine: TPI 350
Transmission: auto
Axle/Gears: 3.27's
Broke my 9 bolt today....

Ive had my 86 9 bolt 3.27 rearend in my 2 trans ams over the past 3 years and i have never had a problem with it until today on my way to work something popped and broke something in the rear,long story short im looking at a 1989 9 bolt 3.27 posi with the PBR brakes.

My question is: will the 89 3.27 9 bolt be stronger than my 86 9 bolt?
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Old Jun 27, 2010 | 09:08 PM
  #2  
big gear head's Avatar
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Re: Broke my 9 bolt today....

Nope.
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Old Jun 27, 2010 | 09:14 PM
  #3  
RyanEricW's Avatar
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Re: Broke my 9 bolt today....

Sorry to hear you broke it.
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Old Jun 27, 2010 | 09:20 PM
  #4  
9014josh's Avatar
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From: Leicester,Ma.
Car: 1988 TA
Engine: TPI 350
Transmission: auto
Axle/Gears: 3.27's
Re: Broke my 9 bolt today....

i really wasnt expecting it..i think im gonna put another 3.27 back in for now tho and just go a little easier on it.
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Old Jul 2, 2010 | 03:34 PM
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regal301's Avatar
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From: RHODE ISLAND
Car: 1988 iroc-z
Engine: 350 Vortec TPI
Transmission: 700r4
Axle/Gears: 3.73 4th gen Torsen 10bolt
Re: Broke my 9 bolt today....

replace it with a 4th gen 10 bolt.

a 9 bolt is a 9 bolt, besides the ratio they are the same.

Last edited by regal301; Jul 2, 2010 at 03:53 PM.
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Old Jul 2, 2010 | 03:43 PM
  #6  
Stephen's Avatar
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From: Bertram (outside Austin), TX
Car: 87 GTA
Engine: L98
Transmission: 700R4
Axle/Gears: Dana M78 3.27 posi
Re: Broke my 9 bolt today....

Originally Posted by 9014josh
i really wasnt expecting it..i think im gonna put another 3.27 back in for now tho and just go a little easier on it.
What were you doing to break it? Or what kind of abuse have you put it through, to cause it to fatigue & break?
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