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for those who did the shackle flip through the hanger....

Discussion in 'The Garage' started by supersize75k5, Feb 23, 2004.

  1. supersize75k5

    supersize75k5 OrganDonorRacing.com

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    did you have drive line vibes? Shims? If so what degree did you go to, the 83' had the 4 speed/208 combo and 10 bolts.

    Thanks,

    shawn /forums/images/graemlins/ears.gif
     
  2. shaun

    shaun 1/2 ton status

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    I have the shackle flip and I am getting some Vibe. I dropped the Tcase down and had my drivelines lengthened so now I am wondering what degree shims I will need. /forums/images/graemlins/thinking.gif
     
  3. tecton

    tecton 1/2 ton status

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    how do you know you have vibe
     
  4. Sandman

    Sandman 3/4 ton status Author

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    No shims or vibes. I do have the CVC in the back though. The angle worked out well with just lowering the rear of the spring.
     
  5. shaun

    shaun 1/2 ton status

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    Because when I apply throttle I can feel a slight vibration. And if it is all quiet and no radio it sounds like a bass tube inside the truck?
     
  6. Blue85

    Blue85 Troll Premium Member

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    The best combination I have found is 6.5 degrees down on the rear pinion and about a 1.25" T-Case drop. This is still pushing the limits of a stock length 2 U-joint shaft. My U-joints are both at about 13 degrees. I still get slight vibrations sometimes (my wife can not notice it), but I have tried several combination and this is the best I can get it without a slip yoke eliminator or CV shaft. My U-joints are lasting forever, too.
     
  7. SkulzNBonz

    SkulzNBonz 1/2 ton status

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    I had vibes BAD and then dropped the t case and they went away. Have done some power adders (duals, intake, tossed the ac) and now under some acceleration from a dead stop, I get a little vibe, but it quickly subsides. Pinion angle is perfect for a CV.

    John
     

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