Rear end identification

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Oct 4, 2001 | 01:17 AM

Chad

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Joined: Sep 2001

Posts: 25

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From: San Diego California

Rear end identification

How do I know the size of my rear end? i.e.: 10, 8.5, etc?

89 RS 305 TBI 2.73 gears.

Thanks!

Oct 4, 2001 | 02:11 AM

JoelOl75

Supreme Member

Joined: Jan 2001

Posts: 1,978

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From: PA

Car: 88 Firebird WS6

Engine: 350 TPI

Transmission: T56

Axle/Gears: 3.42

7 5/8" ring, 27 spline pinion, open 10 bolt rear with 26 spline axles although there is a very slight possibility you have 28 spline axles I would put $500 bet on it it's 26 spline.

Interchangable with 7.5", 2 series carrier.

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