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

Will 7.5" gears fit in a 7.625" rear?

Old May 8, 2001 | 10:14 PM
  #1  
Jer82Z28's Avatar
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Joined: Apr 2000
Posts: 860
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From: Alberta, Canada
Car: 1987 IROC
Engine: Vortec 350 TPI
Transmission: 7004r
Will 7.5" gears fit in a 7.625" rear?

kind of a dumb question.. but I do not remember what diameter my rear is, and I want to order a rear cover and a powertrax system for it. I have 7.5" gears in my dif atm, can I safely assume that my diff is actually 7.5" in diameter?

like I said, I'm stupid
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Old May 8, 2001 | 10:17 PM
  #2  
82camaro's Avatar
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Joined: Nov 1999
Posts: 2,860
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From: NE
Car: 82 camaro SC
Engine: 350
Transmission: 700r4
The gear size(7.5 and 7.625) are exactly that, just the gear size. They use the same carrier and rear-end housing. So, the gears interchange. For some reason GM decided to make the gears 1/8 inch bigger.

------------------
82 camaro--original steering wheel, brake/gas pedals, seats--everything else modified
82camaro

[This message has been edited by 82camaro (edited May 10, 2001).]
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