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Gear info help.

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by cbloss, May 6, 2006.

  1. cbloss

    cbloss Newbie

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    Boise, Idaho
    I'm trying to figure out the gears on my axles on my 1979 Chevy truck C20 Camper Special. Does anyone know what they should be, or how I can figure out what they are?
     
  2. tarussell

    tarussell 1/2 ton status

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    Most positive way is to pop a cover and count the teeth.
    Most likely you have 4.10's as they were extremely common in that era C20 but it's possible to have 3.23's / 3.73's or even 4.56's .

    HTH's Tom
     
  3. 71 Blazer

    71 Blazer 1/2 ton status

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    Location:
    windsor virginia
    check for a little tab on one of the diff bolts, front or rear. if you have one it will have it stamped into it.
     

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