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switching a 10 bolt to dana 44

Discussion in 'The Garage' started by 84PolarBear, Jun 22, 2002.

  1. 84PolarBear

    84PolarBear Registered Member

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    My Blazer is a 84, I am thinking about replacing my 10 bolt with a dana 44. Can I take an older 70's 44 dana and just bolt it in, or is there some difficulties.
     
  2. BILLY RAY

    BILLY RAY 1/2 ton status

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    It should just bolt right up with no problem. ( as long as it is coming out of a full size chevy not a jeep or something. /forums/images/icons/grin.gif
     
  3. SkulzNBonz

    SkulzNBonz 1/2 ton status

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    You are not going to gain a whole lot out of the swap. Axle diameter in a 10 bolt is 1.28" vs. 1.31" in the D44. The housing may be marginally stronger on the D44, but those are the only real differences. By the way, I'm running a D44 in my '86, but thats how I bought it.

    John
     
  4. sapper

    sapper 1/2 ton status GMOTM Winner

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    i agree with skulznbonz unless its a 8 lug conversion or to match the gears in the rear axle changing it wont do any noticable good. /forums/images/icons/cool.gif
     
  5. 84PolarBear

    84PolarBear Registered Member

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    I am wanting to match the gears in the rear axle, I am going to put in a 12 bolt with 4.10 gears. I hve to change the gears in the front to 4.10 aswell. Thinking it might be easier to put in an axle that already has the 4.10 gearing and manual locking hubs.
     
  6. 85HeartBurb

    85HeartBurb 1/2 ton status

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    if memory serve me correct i belive the 44 has a slightly larger r&p?!?!?!
     
  7. TX Mudder

    TX Mudder 1/2 ton status

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    No, they both have 8.5" ring gears.
    The bolt right in place of each other.
    For the record, I went the other way from a Dana44 to s 10 bolt. Piece of cake.
    Swapping in the 14 bolt was easy too, but man that sucker's heavy.
    -- Mike
     
  8. 84PolarBear

    84PolarBear Registered Member

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    Mike - did you change out the hubs to manual locking?
     
  9. TX Mudder

    TX Mudder 1/2 ton status

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    The 10 bolt already had some clapped out manual hubs on it, which I removed and replaced with the Warn Premiums I had on the d44.
    The hubs were aftermarket, but just worn out. I've never messed with auto hubs.
    -- Mike
     
  10. NITRO

    NITRO 1/2 ton status

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    im gettin 3/4 tons tomorrow and was wondering if the 14bff has locking hubs on it?

    NITRO
     
  11. TX Mudder

    TX Mudder 1/2 ton status

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    You want to know if the REAR axle has lock outs on it? The only way to get lockouts on a rear axle is with a kit, like WARN.
    No, they come with one piece axleshaft that bolt to the hub with egiht bolts. And strong as hell.
    Bring a friend with you for the 14 bolt. It took three gusy to load in in the back of my truck, but in all fariness the other two guys were kind of smalll. Two big guys who haven't already hurt thier backs /forums/images/icons/smile.gif can do it.
    -- Mike
     

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