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Dana 44 rear

Discussion in '1969-1972 K5 Blazer | Truck | Suburban' started by shaun, Sep 16, 2003.

  1. shaun

    shaun 1/2 ton status

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    I just obtained a 8 lug dana 44 rear axle out of a 69 gmc longbed. I want to put this in my blazer and dana 44's front and rear. But now people are telling me I am wasting my time that is a horrible axle. Does anyone here have any experience? /forums/images/graemlins/confused.gif
     
  2. 75-K5

    75-K5 3/4 ton status

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    I would guess they're comparable in strength to a 12 bolt rear. /forums/images/graemlins/confused.gif
     
  3. Beast388

    Beast388 1/2 ton status

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    Are you sure it is a Dana 44 rear and not a Dana 60? The extremely rare rear D44's were 6-lug and available in only 67-68. Rear Dana 60's are 8-lug and were available 67-72. Look on the housing, to the lower right of the cover and look for a number....it will be 60 or 44. This number is cast into the webbing adjacent to the cover.

    Hopefully it is a Dana 60, which would make a worthy heavy duty rear axle. There are a few guys on CK5 who have done this swap or are in the process. Rebuild costs are comparable to the 14BFF with better gearing and locker/limited-slip options. The downside is that they are not as strong as the 14BFF.

    Was the '69 GMC longbed 2wd or 4wd? The 2wd version will require spring perch and shock mount movement. The 4wd version will bolt right up.

    /forums/images/graemlins/thumb.gif /forums/images/graemlins/thumb.gif
     
  4. Beast388

    Beast388 1/2 ton status

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    Welcome to CK5!! (if you haven't been welcomed already) /forums/images/graemlins/thumb.gif

    I see you are from Fallon, NV. MTBLAZER89 is in Fallon as well. He is stationed at FNAS.

    I used to live in Hawthorne, so I am familiar with that area!! /forums/images/graemlins/thumb.gif /forums/images/graemlins/thumb.gif
     
  5. shaun

    shaun 1/2 ton status

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    I am stationed at the coast guard base on soda lake rd. Does the 60 have a 10 bolt circle also or is it a 12. If it is a 2wd can I just mount my springs underneath the frame to use as a eliptical suspension or is that not smart with a fullsize? Thanks for all the help. /forums/images/graemlins/ears.gif
     
  6. 75-K5

    75-K5 3/4 ton status

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    I'm pretty sure a dana 60 has 10 bolts as well. A 60 will have full floating external hubs, whereas a 44 rear will be a semi-floater (no visible hubs).
     
  7. Beast388

    Beast388 1/2 ton status

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    The 2wd(42.5") spring perches are actually wider than the 4wd(40.0"). You will need to cut the old ones off and weld new ones on. Not hard to do, but required if it is a 2wd axle.

    Yes, the D60 had 10 bolts holding the cover on. /forums/images/graemlins/thumb.gif
     
  8. shaun

    shaun 1/2 ton status

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    You all were right. It is a dana 60. Ive heard this is a good axle for the front. How well is it in the rear?
     
  9. Beast388

    Beast388 1/2 ton status

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    A full-floating Dana 60 rear would be a good upgrade for your 71 K5. /forums/images/graemlins/thumb.gif

    There has been alot of discussion about them here on CK5, click on search and type in "Dana 60 rear" and "D60 rear". There are plentiful threads to read!! /forums/images/graemlins/thumb.gif
     
  10. shaun

    shaun 1/2 ton status

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    Thanks /forums/images/graemlins/thumb.gif
     
  11. R72K5

    R72K5 Banned

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    yep dana 44 in rear of 2wd c1500 gmc's 68-older, havent seen a 68-older gmc 4x4 with one or a 69-up anything gmc either. the old dana 60 rears are good old heavy axles, but theres one more dana 60 thats got more splines than the dana60 rears under the gm trucks back then, i most recently had a dana 60 4.56 from under a 67 gmc C-2500 pickup, heavy, but they had one more that had more splines than the 67 2500 ones, but still is tough, it had factory posi in it, just like alot of them back then did. it was 42.5" centers due to being 2wd, gmc trucks tended to be leaf rather than coils, even on 2wd, chevy other way around(2wd)

    good luck
     

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