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  1. #1

    Default quadrasteer fluid

    I have a 1500HD Quadrasteer 4x4, and i was wondering about the differential fluid. I have read many places that, amsoil is not good enough for the quadrasteer diff, nor is royal purple. Is there any new products out for the Quadrasteer diff?

  2. #2
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    Default

    Welcome to the GM truck club Cameron. Sorry I can't answer your question, but someone will be along that can. Why do they say that Ammsoil or Royal Purple aren't good enough for the Quadrasteer? Do they give a specific reason??
    1988 Chevy C-3500 2wd (no pic)
    350 c.i. 5.7 L Stock Block, 4 Bolt Mains
    L-31 Vortec Heads, Edelbrock Cam & Intake,
    Holley 650, Flowtech Headers, Magnaflow exh.
    Jet Trans 700R4, B&M Ratchet, 4:10 gears,
    3" susp. lift kit "shadetree"
    No rev limiter, No speed limiter lol


  3. #3

    Default

    Welcome to the club, Cameron. My friend uses Mobil 1 synthetic in his '03 1500HD Quadrasteer.

  4. #4

    Default

    On a lot of forums they have been saying that there are recalls on the fluid information, i have been putting royal purple in there with no problems. But i don't want to have it fail cause i am using the wrong stuff.

  5. #5

    Default

    Are you aware that there is a Site called DENALITRUCKS(dot)COM... and we cater to vehicles with Quadrasteer, because for a few Years, it was the only way you could buy a Sierra Denali. Check it out... I'm an Administrator on there.

    We've been using Schaeffers #267 Gear Oil... which has since change to #293... but what is key is that you have to add the Posi Fluid, or you'll get lots of chatter out of the Rear-end, when turning corners.

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