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auburn pro series limited slip lube

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by motorheadnelson, Dec 25, 2004.

  1. motorheadnelson

    motorheadnelson Registered Member

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    Was wondering what guys have good luck with. I used Valvoline dino gear lube with GM modifier. Starting to get noisy, 12K. Any suggestions? Thanks
     
  2. Hossbaby50

    Hossbaby50 3/4 ton status

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    That is what I was told to run when I had a Auburn LS. Gear oil with 1 bottle or GM LS modifier fluid.

    Harley
     
  3. 79Beast

    79Beast 1/2 ton status

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    Amsoil synthetic gear oil. Check to make sure, but I don't think you'll need friction modifier if you use Amsoil.
     
  4. JonV

    JonV Registered Member

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    What viscosity gear lube are you using? What's your ambient air temp?
     
  5. JonV

    JonV Registered Member

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    P.S. When you changed your gear lube did you use a solvent to flush the diff? If so, and some solvent was left in there it would break down the new lube prematurely. I only flush with new gear lube.
     
  6. joefl

    joefl 1/2 ton status

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    I have an Auburn Limited slip in my Z71 and it started to get noisey so I changed the oil and that quieted it back down. I used the oil that they had a dealership parts department. One bottle of gear oil to one bottle of GM limited slip oil.
     

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