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Thread: rear diff
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03-23-2010, 02:03 PM #1Junior Member
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- Mar 2010
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- Ont , Canada
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- 61
black- 01 Z06
rear diff
Hi , what size is the rear end in my 99 ws6 ? 7.5 ? or 8.5 ?
thanks
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03-23-2010, 02:11 PM #2None Shall Pass
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- Jan 2010
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- East of Cleveland, Ohio
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Black- 99 WS.6 - Modified
7.5
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03-23-2010, 02:11 PM #3Veteran
- Join Date
- Nov 2005
- Location
- Florida
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- 10,467
Black- 1999 TA WS.6
7.5
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03-23-2010, 02:28 PM #4Junior Member
- Join Date
- Mar 2010
- Location
- Ont , Canada
- Posts
- 61
black- 01 Z06
rear diff
Cool, so what interchanges with it ? and what are the GM codes for gear ratio ? so is the s-series truck the same center section ?
Last edited by Butch2000; 03-23-2010 at 04:24 PM.
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03-23-2010, 02:33 PM #5None Shall Pass
- Join Date
- Jan 2010
- Location
- East of Cleveland, Ohio
- Posts
- 3,827
Black- 99 WS.6 - Modified
What do you mean by interchanges with it?
GU2 - 2.73
GU3 - 3.08 v6 gear
GU5 - 3.23
GU6 - 3.42
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03-23-2010, 04:35 PM #6Junior Member
- Join Date
- Mar 2010
- Location
- Ont , Canada
- Posts
- 61
black- 01 Z06
rear diff
well mine howls , I can't find any in my area , but I have a s truck with 3;73 , in it and it's a 7.5 , 31 spline , ? so will the guts fit ?
Last edited by Butch2000; 03-23-2010 at 04:39 PM.
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03-23-2010, 06:45 PM #7Member
- Join Date
- Nov 2005
- Location
- Texas
- Age
- 53
- Posts
- 319
- It has a big wing!
When I had my 98' TA the rear would randomly howl at low speeds.Like when driving around a parking lot.
I changed out the fluid and never had a problem after that...
Just a thought,hope you get your situation worked out.
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03-23-2010, 07:13 PM #8Member
- Join Date
- Feb 2008
- Location
- Missouri, STL
- Age
- 38
- Posts
- 142
Pewter- 1999 Trans Am WS6 A4
if its howling it could also be a bearing. drain the fluid and see if there are any metal shavings
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