99-2004 GT Rear End specs?
04-10-2005, 04:31 PM
3rd Gear Member
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Join Date: Apr 2005
Posts: 607
99-2004 GT Rear End specs?
The 99-04 GTs come with 3.27 posi rear ends, right? Is that a 28 or 31 spline axle?
04-10-2005, 04:44 PM
5th Gear Member
Join Date: Jun 2004
Location: fl
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RE: 99-2004 GT Rear End specs?
3.27 on an 8.8 and i believe a 28 spline, although i can never remember that one for sure.
04-10-2005, 07:28 PM
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Join Date: May 2004
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RE: 99-2004 GT Rear End specs?
It is a 28 spline. They changed it for '05 to the 31 spline.
04-10-2005, 11:52 PM
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Join Date: Jan 2004
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Posts: 8,667
RE: 99-2004 GT Rear End specs?
Did they? Those bastages!
I want 31 splines.
Anywho some of the autos had 2.73, some 3.08's and most all manuals had 3.27's, which is now 3.55's in the new GT.
04-11-2005, 01:54 AM
3rd Gear Member
Thread Starter
Join Date: Apr 2005
Posts: 607
RE: 99-2004 GT Rear End specs?
That sucks...that means I am going to have find 31 spline axles. 28 spline isn't as easy to find...hey, I rhyme
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