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D60 shim question

Discussion in 'The Garage' started by Citizen Rider, Jul 16, 2006.

  1. Citizen Rider

    Citizen Rider 1/2 ton status

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    This may be a dumb question but better to ask first.

    My D60 has studs on the pass. side coming out of the diff instead of the factory bolts. I will be using shims on the axle. My springs already have a small shim installed on the springs, no clue what degree but its nothing big.

    Ive always heard on the factory bolts, that to use shims, youll need 3 shims, 2 for under the springs, and 1 to go over the pass. spring to even out the spring plate so the bolts sit flat...

    My question is, do i still need 3 shims on my 60 while using studs instead of bolts?
     
  2. JEBSR

    JEBSR 1/2 ton status

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    Yes, Otherwise the top plate will not go over evenly and bind. There are other methods I have seen people use to fix this, but this is the method I used on mine and worked great.
     
  3. sled_dog

    sled_dog 1 ton status

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    same situation, the clamping portion of the nut won't sit flat on the spring plate. Someone on here used to sell tapered spring plates. That is the best fix for the issue. Not sure who that was though.
     
  4. Citizen Rider

    Citizen Rider 1/2 ton status

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    Alright, thats what i figured.

    Now to figure out what size shims i have and if they are the right size i need.
     
  5. JUNIOR-K5

    JUNIOR-K5 1/2 ton status

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    Do you guys have a pic. on how to shim the studs on the d60?
     
  6. 4X4HIGH

    4X4HIGH 1 ton status Premium Member GMOTM Winner

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    Look on page 3060 of McMaster-Carr. They sell spherical washers which are 2 piece design and serve this purpose.
     
  7. Citizen Rider

    Citizen Rider 1/2 ton status

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    Really? Explain more? And what in the world is McMaster-Carr?
     
  8. JEBSR

    JEBSR 1/2 ton status

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    Would you have to drill the holes out bigger for those??
     
  9. Citizen Rider

    Citizen Rider 1/2 ton status

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    Very interesting product 4x4high. I like that idea. I would need it on all 4 corners of the plate correct?
     
  10. 4X4HIGH

    4X4HIGH 1 ton status Premium Member GMOTM Winner

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    Technically you would need them on every corner of the front U-bolts and the 2 bolts/studs. Since the U-bolts are able to kinda center themselves you really could get away with just using them on the 2 bolts/studs.
     
  11. sope

    sope 1/2 ton status

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    I'm glad this came up. I never thought of it and mine's siting shimed on the bottom and no shim on top with a 60. Got some work to do.:doah:Also I have read threads on this but it's never sunk in. Why sre studs better than grade 8 bolts on a 60?
     

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