GM Drivetrain & Suspension Chassis | Transmission| Driveshaft | Gears/Rear End/Differential | Traction Aids

drop shackle ?

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Old Oct 23, 2007 | 10:55 PM
  #11  
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Originally Posted by Stoichiometric
You can do math to figure out what is happening to the angles if you want to get it perfect. I would put them on, see if it vibrates, then add a shim if it does.

My friend has an Air ride kit on his truck with a two piece driveshaft, and he can drive it real low at 80mph with no problems with a less than perfect pinion angle.

I sold my soul to the devil to pass math in school so id probably get it wrong
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Old Oct 23, 2007 | 11:38 PM
  #12  
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i had 2 inch drop shackles on mine with a 2 piece driveshaft and had no vibrations. i switched out to lowering leafsprings and still no vibrations.
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Old Oct 27, 2007 | 01:45 PM
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DJM makes a modified support bracket to solve this problem.
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