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GM Limited Slip Additive...

This is a discussion on GM Limited Slip Additive... within the Drivetrain forums, part of the LSx Technical Help Section category; Hey, had a quick question: I'm going to change my rear end fluid and wondered if you can get the ...

  1. #1
    kevinfromwebb
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    Cool GM Limited Slip Additive...

    Hey, had a quick question: I'm going to change my rear end fluid and wondered if you can get the additive anyplace besides the pontiac dealer???

    Thanks, Kevin

  2. #2
    Senior Member mrr23's Avatar
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    dark bowling green
    2000 corvette

    you can get just the gear oil so long as it says for posi vehicles.

  3. #3
    Junior Member
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    Black
    2002 Z28

    Parts House

    I got my additive at Auto Zone---appears to be fairly common stuff around here anyway.

  4. #4
    Member cailey37's Avatar
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    Silver
    1998 Pontiac Trans Am

    If you can get your hands on some Royal Purple gear oil you wont need it....it's already in it......

  5. #5
    Heavy Set Thin Guy t/as&dds's Avatar
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    Quicksilver Metallic
    2005 Pontiac GTO

    All of the synthetic gear oils meet and/or exceed the requirements for open and limited slip diffs. If you're going w/ dino, you may have to get the additive. I've seen it at NAPA, Autozone and Pep Boys. Don't expect to see it at a Kmart or Walmart though.

  6. #6
    crustysarge
    Guest
    Used to be made from Sperm Whale oil, did you know that?

  7. #7
    definately go to Autozone and ask them to help you find it they should have more than one choice, DONT go to Checkers there stuff is exteremely crappy I HATE CHECKERS

  8. #8
    Senior Member 02z28ls1's Avatar
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    navy blue
    2002 Z-28 Camaro M6

    If you have the torque sensing Torsen-Thextal diff-it's a non-clutch type posi,it doesn't require the additive.Believe they all got this type posi in 99.

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