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Sky Manufacturing "special Dana 60 studs"...

Discussion in 'The Garage' started by sled_dog, Nov 14, 2005.

  1. sled_dog

    sled_dog 1 ton status

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    Anyone else have Sky arms? I think these arms are really nice pieces but something about them bothers me. They sold me the "special studs" I needed to go with them of course. So as I can see all they are is a good piece of steel with threads cut on both ends. Problem IMO is that the shank area of it is the same thickness as the threaded area. Being a large load area I don't think I like that much. Considering drilling out the holes for the stock size studs and seeing if I can just get some longer ones. I guess the studs are only as strong as the threaded section though.

    Think I may sell these arms in the not to distant future, should have gotten ORD one(5th hole for the Dedenbear knuckles I plan to get eventually). Only think that kept me from it was one or two not great experiences with ORD, but buying little things here and there recently things have gone GREAT.
     
  2. 85mudblazin

    85mudblazin 1/2 ton status

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    I am running there arm. Its a nice beefy arm and I havent had a single problem with the studs.
    [​IMG]
     
  3. 79Beast

    79Beast 1/2 ton status

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    I haven't seen any SKY arms in person, but when it comes to steering arms, I think ORD can't be beat. Also, are you saying they sold you a stud smaller than 1/2"?
     
  4. 85mudblazin

    85mudblazin 1/2 ton status

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    There studs.
    [​IMG]
     
  5. az-k5

    az-k5 1/2 ton status

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    1) If the studs are anything like the D44 ones they sell then they are special only in length. I have seen more of the sky studs break than those "crapy 1/2 ton axles (I think it is now 12-15 of the studs :eek1: )

    2) For the money I would reccomend NWF arm, it has the 5th hole and uses alloy steel. I know of 2 ORD arms (mild cold rolled) that have wallered out on the taper leading to TRE stud failure (and no ORD doesn't warranty them :mad: ).
     
  6. 85mudblazin

    85mudblazin 1/2 ton status

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    I do run hydro assist which might help to take some of the stress off the studs. But they seem to be of high quality.
     
  7. Jagged

    Jagged 1 ton status

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    Fords seem to be of high quality, too.
     
  8. sled_dog

    sled_dog 1 ton status

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    The studs really just look like a piece of bar stock steel to me.

    The threads and are the same pitch and size but the shank is a good 1/16" smaller. I think they are 7/16s the entire way. I was trying to figure what was special about them(besides their length) and when I went to try and put the arm onto the stock studs it wouldn't go because the holes in the arm are the smaller size and wouldn't fit over the stock stud shank.
     
  9. 85mudblazin

    85mudblazin 1/2 ton status

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    Careful, dont contribute to much information :rolleyes:
     
  10. 85mudblazin

    85mudblazin 1/2 ton status

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    That isnt right. Mine are stock size and the arm fit fine over the stock studs.
    Ill go snap a pic comparing the 2.
     
  11. sled_dog

    sled_dog 1 ton status

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    well then they changed it because that is definetally the case for me.

    Unless Fords came with some different bigger studs(which I am certain they don't because they look exactly the same as the ones I had on my Chevy and the ones I got with the ORD arms I have previouslly).
     
  12. 85mudblazin

    85mudblazin 1/2 ton status

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    Stock stud on top for a raised block.
    Sky stud below.

    Same thread.

    Id give Sky a call and see what they sent you.
    [​IMG]
     
  13. sled_dog

    sled_dog 1 ton status

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    I guess I will but I can tell you this, the arms are drilled exactly for these studs and the thread size and pitch is the same on them because I used the nuts for the new studs to try and extract the old ones.
     
  14. 85mudblazin

    85mudblazin 1/2 ton status

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    And the nuts wouldnt fit on the old studs??
     
  15. sled_dog

    sled_dog 1 ton status

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    yes, I guess the studs are 1/2" but the shank is definetally smaller than the stock size stud's shank. The threaded portions are the same sizes(just longer).
     
  16. Ned Kelly

    Ned Kelly 1/2 ton status Premium Member

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    MudBlazin,
    Where did you get that D60 frt diff guard with the built in hydro steer mount?
    Thanks
     
  17. 85mudblazin

    85mudblazin 1/2 ton status

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    Homemade out of 1" steel :D
     
  18. Ned Kelly

    Ned Kelly 1/2 ton status Premium Member

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    Oh, ok. Looks nice and beefy. I'm looking for ideas on doing hydro on my DD K30.
     
  19. ntsqd

    ntsqd 1/2 ton status

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    In a tensile loading the stud is only as strong as the minor diameter of the threads. In a perfect application the studs will never be placed in shear b/c the install torque creates enough clamp load btwn the arm and the knuckle that the friction alone is enough to steer the truck. This is exactly how crankshafts transmit power to flywheels.

    If those parts will install I'd try it first.
     
  20. 86Cucvbeater

    86Cucvbeater 1/2 ton status

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    You know the torque spec right off?
     

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