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What size axle shim for regular cab?

Discussion in 'Suspension' started by 90YotaPU, Oct 28, 2011.

  1. Oct 28, 2011 at 5:00 PM
    #1
    90YotaPU

    90YotaPU [OP] The Messiah

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    Mike
    Union County, NJ
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    Aftermarket Stereo, 10 Disc CD Changer, Cap, Spidertrax Wheel Spacers, HF Air Horns, 3" Lift
    So I installed an AAL and cranked the 5100's up to 2.5. Now I'm getting a vibration at highway speeds and when coasting downhill with foot off throttle, I'm getting a noise that almost sounds like a strong crosswind. My question is: what size axle shims do I get (2 or 3 degree)? Any other recommendations? Also, can I reuse the existing leaf spring bolt (the one that holds the leaf pack together or do I need one with a larger head?

    I've attached some pics of my angle at the rear end and at the transfer case.

    Lift 004.jpg
    Lift 006.jpg
     
  2. Oct 28, 2011 at 5:01 PM
    #2
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Staff Member

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    FlimFlubberJAM
    Tenoe, AZ
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    Make sure the U bolts are torqued to 80# or so. Most vibes come from not torqing the bolts and nuts tight enough.
     
  3. Oct 28, 2011 at 5:04 PM
    #3
    90YotaPU

    90YotaPU [OP] The Messiah

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    Aftermarket Stereo, 10 Disc CD Changer, Cap, Spidertrax Wheel Spacers, HF Air Horns, 3" Lift
    Thanks for the quick response. I will double-check that. I know it's hard to tell from the pics but do the angles look bad? I was reading that the angle on both ends of the driveshaft should be equal but don't fully understand it.
     
  4. Oct 28, 2011 at 5:05 PM
    #4
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Staff Member

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    The angle doesnt look too bad, regardless, I havent had vibes on any vehicle when the bolts were all torqued propperly. No shims needed.
     
  5. Oct 28, 2011 at 5:18 PM
    #5
    90YotaPU

    90YotaPU [OP] The Messiah

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    Aftermarket Stereo, 10 Disc CD Changer, Cap, Spidertrax Wheel Spacers, HF Air Horns, 3" Lift
    Thanks. If I ever meet you I owe you a beer. You've helped me so many times.
     
  6. Oct 28, 2011 at 5:21 PM
    #6
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Staff Member

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    :cheers:
     
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