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How to ID differentials? Please help.

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by K5Greeality, Dec 28, 2006.

  1. K5Greeality

    K5Greeality Registered Member

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    Location:
    Greeality
    I can see a stamped number but don't know how to decipher it? Can someone please help?
    Thanks!
     
  2. K5Greeality

    K5Greeality Registered Member

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    Location:
    Greeality
    Found this link: http://coloradok5.com/axleguide.shtml

    Hope the helps others....
     
  3. W7NB

    W7NB 1/2 ton status

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    Location:
    Springtucky, OR
    If your rig is stock take a look at the RPO#s inside your glovebox. Several websites show wht the numbers corrispond to for ratios.
     

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