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Z28 Gears?

This is a discussion on Z28 Gears? within the Drivetrain forums, part of the LSx Technical Help Section category; Can anyone tell me how I can find out what gears are in my automatic 98 Z28? Thanks....

  1. #1
    Mattg
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    Z28 Gears?

    Can anyone tell me how I can find out what gears are in my automatic 98 Z28? Thanks.

  2. #2
    Member 01camaross's Avatar
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    white
    2001 camaross

    prolly 273s but you can check the codes on the driver door
    Last edited by 01camaross; 03-05-2006 at 10:27 AM.

  3. #3
    Senior Member
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    Check the RPO codes on the drivers side door - GU2 (2.73) or GU5 (3.23).

  4. #4
    Mattg
    Guest
    Thanks guys!

  5. #5
    Mattg
    Guest
    Are the 2.73's geared lower than the 3.23's? I looked on my door and found GU2.

  6. #6
    Senior Member
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    Not sure what you're asking - you mean inside the trans? No.

  7. #7
    Mattg
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    Basically want to know how much difference there are between the 2.73's and the 3.23's.
    Last edited by Mattg; 03-05-2006 at 04:50 PM.

  8. #8
    Junior Member smokin_ls1's Avatar
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    NBM
    01 WS6 TA

    The 3.23s will top out at 46 in 1st, 88 in 2nd, 142 in 3rd, and 203 in 4th. If it makes it that far. The 2.73s will top out at 55 in 1st, 104 in 2nd, 168 in 3rd, and 240 in 4th. This is assuming a 6000 rpm redline.

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