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Rearend gears

This is a discussion on Rearend gears within the General Help forums, part of the LSx Technical Help Section category; Can rearend gears be decoded from the VIN?...

  1. #1
    Carless blkSS98's Avatar
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    Rearend gears

    Can rearend gears be decoded from the VIN?

  2. #2
    2 SS's are better than 1 Jays00ss's Avatar
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    Quote Originally Posted by blkSS98 View Post
    Can rearend gears be decoded from the VIN?
    No, look on your RPO codes on your drivers side door. Look for a GU#. that will tell your what ratio you have.I do not have the break down of what is what, I am sure someone will chime in.
    2000 SS Camaro Heads, Large cam, Fast 90, 9"w/430's and locker, yada yada yada... you get the picture

    1971 SS ElCamino 402 Big Block 550HP

    2006 Silverado 2500HD 496 cubic inches of pure muscle

  3. #3
    Member DaddySS's Avatar
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    2000 Camaro SS Conv.

    The RPO code GU5 was for performance axle, should be on the drivers door.

  4. #4
    Veteran 0rion's Avatar
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    98 Formula
    06 duramax

    Gu2=2.73
    Gu5=3.23
    Gu6=3.42

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