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pinion angles

Discussion in 'The Garage' started by dammit32, Jan 1, 2004.

  1. dammit32

    dammit32 1/2 ton status

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    I bought an angle finder at sears to measure my rear driveshaft angles and this is what I came up with....


    the driveshaft was tilted at 18*
    the pinion yoke at 20*
    the 241 shaft at 8*

    no wonder it vibrates !

    I concluded that either I buy 10* shims or recut/weld my spring pads...

    my t-case is dropped 2 inches with these measurements but I would like to raise it back up if i do recut/weld the spring pads.


    Is there an easier way to recover these angles ?
     
  2. az-k5

    az-k5 1/2 ton status

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    I just diagramed your description. You are close. You might want to lift you t-case up an inch. This could wear out your u-joints a little faster however, but will make the joint angle closer to each other.
     
  3. MTBLAZER89

    MTBLAZER89 3/4 ton status GMOTM Winner

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    Not to hijack, but dammit where u been dude? I figured you sold your K-5 or something /forums/images/graemlins/eek.gif
     
  4. dammit32

    dammit32 1/2 ton status

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    well I'm still ....not a heavy poster . It seems the chat room doesnt work...Its too bad cause I really liked that /forums/images/graemlins/frown.gif

    After some thought about my angle problem....10* shims wont be right because they will change the driveshaft angle too...not just the pinion angle
     
  5. 88jimmy4x4

    88jimmy4x4 1/2 ton status

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    Actually, thats perfect.
    If the d-shafts at 18 and the rear at 20, thats a difference of 2 divided by 2 is only a 1 degree difference.

    Whats the front pinion angle?
     
  6. MTBLAZER89

    MTBLAZER89 3/4 ton status GMOTM Winner

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    Cool chat room work's you just have to enter from the home page /forums/images/graemlins/thumb.gif
     
  7. chulisohombre

    chulisohombre 1/2 ton status

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    yep chat room works,it just seems like there is never anyone in there.driveline should be no more than 3 degree difference at the ujoint.mine is at 3 with 4 inch lift and no vibes.thaTS the only reason i say that.i think someone said on the boards 4 is acceptable in some aps.i think that would really wear out the joints fast though.
     

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