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

how much can a stock rear take?

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Old Apr 2, 2007 | 03:13 PM
  #1  
jack harrison's Avatar
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From: Bromley south east london, England
Car: 1987 pontiac trans-am
Engine: 350 tpi
Transmission: 700R4
Axle/Gears: 3;73 with eaton lsd
how much can a stock rear take?

i have an 87 t/a with a 350 tpi and on saturday i ran a 11.9 @114 with 150 shot of n02. i used the gas off the line and it went like stink!! i was just wondering how much a stock rear can take? it has an eaton lsd and 3;73 richmond gears.
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Old Apr 2, 2007 | 03:20 PM
  #2  
sofakingdom's Avatar
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Car: Yes
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Transmission: Sometimes
Axle/Gears: Behind me somewhere
Re: how much can a stock rear take?

You never know until it breaks.

Then once it breaks, you know it can't take quite that much.

How lucky do you feel today? How lucky will you be next time at the strip?
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Old Apr 2, 2007 | 03:21 PM
  #3  
jack harrison's Avatar
Thread Starter
Member
 
Joined: Nov 2005
Posts: 148
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From: Bromley south east london, England
Car: 1987 pontiac trans-am
Engine: 350 tpi
Transmission: 700R4
Axle/Gears: 3;73 with eaton lsd
Re: how much can a stock rear take?

i never knew it was that easy!!!
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Old Apr 2, 2007 | 05:25 PM
  #4  
AlkyIROC's Avatar
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From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
Re: how much can a stock rear take?

I had a beefed up 10 bolt down into the low 11's.

Factory stock 305 cars have also broken them on the street.
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