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What size axle shim for regular cab?

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

  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. 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. 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. chris4x4

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

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    4.10 gears, sliders, lots of buttons, and yellow flashing lights on the dash.
    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. 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. chris4x4

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

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    Tenoe, AZ
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    4.10 gears, sliders, lots of buttons, and yellow flashing lights on the dash.
    :cheers:
     
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