I want a new differential

Discussion in 'GM Powertrain' started by CarpenterGuy, Aug 23, 2008.

  1. CarpenterGuy

    CarpenterGuy Epic Member 5+ Years 500 Posts

    Where can I get a new differential that also has that Eaton diff. lock, or a diff. lock in general. I need one with a higher ratio. I'm not really sure what mine is righ tnow though. does anyone know how to find it?
  2. MrShorty

    MrShorty Epic Member 5+ Years 1000 Posts

    If you know you're still running the factory gear ratio, you can look at the RPO code list in the glove box.

    As for finding a "gov-bomb" You shouldn't have too much trouble finding one in a junkyard somewhere. If you want an aftermarket locker, it will probably be easier to just rebuild your existing differential with whatever you want to put in there.
  3. Pete95Sierra

    Pete95Sierra Epic Member 5+ Years ROTM Winner 1000 Posts

    yea find a junkyard axle but it may be hard to find one with the specs you want. if you cant find one than your gonna have to get new gears and an aftermarket locker. a set of 4.10-4.56 gears is gonna run you around $500 and a rear locker will run you between $500-$1000 depending on brand.
  4. CarpenterGuy

    CarpenterGuy Epic Member 5+ Years 500 Posts

    Ha. i'm just going to forget i wanted to change up the gear ratio. I might look at it later down the road though if my trailing load increases.

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