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what is this rear end??

Discussion in 'The Garage' started by jaysonsk5, Feb 21, 2006.

  1. jaysonsk5

    jaysonsk5 1/2 ton status

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    it came from a chevy 2wd
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  2. 71 Blazer

    71 Blazer 1/2 ton status

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    rear end

    It's a ten bolt!:haha:
     
  3. pauly383

    pauly383 Daddy383 Staff Member Moderator

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    Its a spicer axle , maybe Dana 60/70 . Look for the numbers on the axle , may need to scrape some dirt off it .
     
  4. tarussell

    tarussell 1/2 ton status

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    Looks like a "B" series Dana 70 .
    Get a good pic of the hub's and it might help identify if it came , originally, from a GM .
    Tom
     
  5. jaysonsk5

    jaysonsk5 1/2 ton status

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    [​IMG]
    it says 70
     
  6. bablazer73

    bablazer73 1/2 ton status

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    yup, what he said!
     
  7. neverendingproject

    neverendingproject 1/2 ton status

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    maybe d80? or did those only come on dodges?
     
  8. jaysonsk5

    jaysonsk5 1/2 ton status

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    well it says 70 on the casting and the hubs look kinda like a 14bff.
    i want to run hummer wheels so if it is a 70 would it match up to the duelly front 60 that i have?:confused:
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  9. tarussell

    tarussell 1/2 ton status

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    It is most definetely a Dana 70 "B" series axle not a 60 or an 80 . The webbing and big "B" casted on the top of the pinion oiling channel is a dead give away.
    As far as matching up with a DRW front 60 it is a matter of how wide the WMS is .
    Tom
     
  10. tarussell

    tarussell 1/2 ton status

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    Did you see the truck it came out of ?
    The hub does look like the standard GM offering but that particular series axle usually was not used in the C/K trucks - could it have come out of a Van ?
    Tom
     
  11. 1-tonmudder

    1-tonmudder 1/2 ton status

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    I had a 79 1 ton dually 4wd that had the same rear.
     
  12. jaysonsk5

    jaysonsk5 1/2 ton status

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    the guy i got it from said it came out of a late 70's 2wd dually p/u gm make. how wide will it need to be to match the drw 60 front so that i can run hummer bead locks?
     
  13. tarussell

    tarussell 1/2 ton status

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    Most truck DRW D70's were H.D. models not "B" series ???

    If my memeory is working you will need a WMS dimension of 73" to make the bud style Hummer wheel s work and track evenly.
    Tom
     
  14. blazen91

    blazen91 1/2 ton status

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    I would bet that it is a 70HD since it came out of a duelly, but without seeing it, I can't be sure.

    A 70 duelly axle is 4" narrower than the 60 duelly. I run 1 7/8" spacers on each side of mine and looks great. I have heard you can run 14b hubs on it and it comes out perfect, but I don't know about brakes, or if it really works.
     
  15. tarussell

    tarussell 1/2 ton status

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    The pic of that rear end has different style springs than what would have come on a late seventy's erra P/U - most trucks used a thick , long over load bottom spring and the rear in that picture has progressively shorter springs all the way down.
    Look on the passenger side back axle tube for a B.O.M. # it should be six digits a dash and than another digit all numerical. The B.O.M. number will tell all .
    Tom
     
  16. neverendingproject

    neverendingproject 1/2 ton status

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    Maybe off a C&C? Its wierd how it has a sway bar.
     
  17. jaysonsk5

    jaysonsk5 1/2 ton status

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    whats the b mean? what is the rear axle to look for to run the hummer bead locks? how wide should it be? how wide is a front dually 60?
     
  18. 1-tonmudder

    1-tonmudder 1/2 ton status

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    the one i had was from a camper special and it had the rear swaybar
     
  19. tarussell

    tarussell 1/2 ton status

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    The rear axle that most GM folks want ( to run Hummer wheels ) is the C/K dually H.D. 70 axle or the G series Van Dana 70 "B" series axle ( it is wide but I can not remember how wide ) and I believe the axle in your pic's is a Van Cab Chassis Dana 70 not the H.D. models that came in the trucks.

    The B stands for the series/model of a particular type of Dana 70 axle.
    Examples are :
    B series
    U series
    H.D. model
    70-3
    and so on....

    HTH's Tom
     
  20. jaysonsk5

    jaysonsk5 1/2 ton status

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    i'm not shure what this came out of but the rear that was in the truck that i got my front is still around. however it had a bolt on yolk like a 14bff, but i thought that the rear i would need would be a 70 like this one? help i'm lost
     

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