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This axle in my truck?

Discussion in 'The Garage' started by Wally81k5, Jan 5, 2003.

  1. Wally81k5

    Wally81k5 1/2 ton status

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    I recently found a 12 bolt in a junk pile. I was intrested because i have 3.08's. Soo can anyone tell me if i can pop this carrier into my housing to lower my gears. its a 12 bolt like mine, and is stamped 3817778 11-41 G.M. 60 i think it is 3.73. it came off an old like 50's truck but may not be the original for that truck. Also, how wide is the stock 12 bolt in a blazer? and where are you measuring from? Thanks for your help!
     
  2. MOABDADC22

    MOABDADC22 1/2 ton status

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    </font><blockquote><font class="small">In reply to:</font><hr />
    and is stamped 3817778 11-41 G.M. 60 i think it is 3.73

    [/ QUOTE ] Yes, It is a 3.73. The 11 is the number of teeth on the pinion gear and the 41 is the number of teeth on the ring gear. /forums/images/graemlins/usaflag.gif
     
  3. Wally81k5

    Wally81k5 1/2 ton status

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    Cool 3.73 is okay for me.


    So does anyone know if this carrier will work? I found out its actually from a 72 chev. 2wd.

    Also still wondering about those measurements.

    thank guys!
     
  4. BowtieBlazer

    BowtieBlazer 1/2 ton status

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    I dont have measurements but last I looked into this swap just pull the 6 lug shafts on your axle and swap them into this scrap pile axle and call it good. you now have a 4wd 12bolt with the 6lug pattern.
     

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