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  1. #1
    Junior Member
    Join Date
    Mar 2007
    Location
    Chicago, Illinois
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    28

    Silver
    1999 Trans Am

    Stock rear end gears

    I might be having a brain fart, but I can't find info on what the stock gears are for my 1999 Trans Am. Any help? Thanks.

  2. #2
    Member stanger88's Avatar
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    Sep 2006
    Location
    Shreveport, LA
    Age
    38
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    297

    Black on black.
    2001 WS6 M6 (stock)

    Door code...

    GU2=2.73's
    GU4=3.23's
    6-speed=3.42's Period.

  3. #3
    Senior Member
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    Jul 2005
    Location
    Jacksonville, FL
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    2,723
    3.23 is GU5

  4. #4
    Impounded
    Join Date
    Mar 2007
    Location
    Milwaukee
    Age
    36
    Posts
    2,154

    Red
    2000 Trans Am

    So all 6 speeds have 3.42 right?

  5. #5
    Senior Member
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    Jul 2005
    Location
    Jacksonville, FL
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    2,723
    Yep - look for GU6

  6. #6
    Junior Member
    Join Date
    Mar 2007
    Location
    Chicago, Illinois
    Posts
    28

    Silver
    1999 Trans Am

    Bummer, I've got 2.73.

    I found some 3.73 at LMPerformance.com for $219.99. ANyone ever get stuff from there?

  7. #7
    Member stanger88's Avatar
    Join Date
    Sep 2006
    Location
    Shreveport, LA
    Age
    38
    Posts
    297

    Black on black.
    2001 WS6 M6 (stock)

    Quote Originally Posted by 2001NBMZ28 View Post
    3.23 is GU5
    Misinfo on my part. GU5 is correct. THANKS!

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