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12 bolt ring and pinion

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by tkettwig, Jan 2, 2002.

  1. tkettwig

    tkettwig Registered Member

    Joined:
    Oct 31, 2001
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    Location:
    Atlanta Ga.
    I just craped a 12 bolt ring gear, I went to order one from summit, and the guy ask me if my carrier was a 3.40 ratio carrier or a 3.73 ratio carrier.I have a 3.73 gear in it now but have no idea what came in it stock. can anyone tell me how to tell the difference? thanks in advance. Terry
     
  2. 83ZZ502_Jimmy

    83ZZ502_Jimmy 1/2 ton status

    Joined:
    Feb 7, 2001
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    Location:
    Richmond, VA
    You have a 3.73 an up carrier if your r&p is a 3.73.

    John

    <font color=blue>"When all else fails, read the instructions, or get a bigger hammer"</font color=blue>
     

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