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What kind of fluid do I run in the axles?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by BLzr4x4ngkid, Aug 1, 2001.

  1. BLzr4x4ngkid

    BLzr4x4ngkid 1/2 ton status

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    I'm probably going to pull the diff covers on my new axles today. I was just wondering what kind of fluid do I put back in it and which is the best? I'll take my laptop with me incase I get caught in a bind with something and I can do an immediate post. Thanks again guys.

    Pedal mashed and KICK'N ASS!
    WFO! Wide [censored]'n OPEN!
     
  2. 83ZZ502_Jimmy

    83ZZ502_Jimmy 1/2 ton status

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    Use 80W-90 Gear Oil. If you have a GM posi you need a botle of additive.

    JH

    '83 GMC Jimmy 4x4 ZZ4 Crate Motor
    '83 Chevy K20 Sand Drag Racer, 578 RWHP
    '94 Impala SS
    '01 Chevy 2500HD 4x4 w/8.1L & Allison Auto
     

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