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what gearoil?

This is a discussion on what gearoil? within the Drivetrain forums, part of the LSx Technical Help Section category; I got rearend off of 02 Z28 that came with optional Torsen LSD. Can someone tell me what oil should ...

  1. #1

    what gearoil?

    I got rearend off of 02 Z28 that came with optional Torsen LSD.

    Can someone tell me what oil should i use?

  2. #2
    Member Nitrous's Avatar
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    Dec 2005
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    White
    97 GMC with 02 LS6 engine

    75w90 or 80w90 will work fine. Remember LSD gear oil is only for clutch-type LSD's. If you have an open diff OR a torsen you should use normal gear oil.

  3. #3
    Slow'er'Ass Mr. Luos's Avatar
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    Red Tint Jewelcoat
    2008 Trailblazer SS

    GM LSD fluid.
    2 quarts of your favorite 75w-90. I was going to use Mobil 1, but I never got around to swapping the fluid in the stock rear before swapping the entire rear.

  4. #4
    Quote Originally Posted by Nitrous View Post
    75w90 or 80w90 will work fine. Remember LSD gear oil is only for clutch-type LSD's. If you have an open diff OR a torsen you should use normal gear oil.
    thats what i thought. I was going to use mobile1, but they were $9/qt, and i bought Volvaline synthetic brend for half the money

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