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How can I fix my drive line???

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by madups311, Apr 7, 2002.

  1. madups311

    madups311 Registered Member

    Joined:
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    Location:
    VA
    I have a 79 GMC Jimmy and I have put in over 5 U-Joints, recently on the way back from a rooting weekend I shot the rear driveshaft out the back of my truck while going over 80 mph (not fun) I am looking for cheap ways to fix the problem, I am going to get a driveshaft built for my truck that will be longer, The idea I have is a angled spacer to fit under the rear lift block on the rear axle (to fix the angle change, but will this work??? BTW I have a 4" skyjacker suspension and 35" tires, What have you done to fix your problems??? Do you have any other cheap and easy fixes???
     
  2. Blazinaire

    Blazinaire 1/2 ton status

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    Location:
    Santa Maria, CA
    Well shimming the rear end up is a good start, try lowering the T-case an inch. Also what T-case do you have? If it uses a slip yoke, have a driveshaft made with a c/v joint and your problem will be solved. If it doesn't use a SY and lowering T-case/correcting pinion angle don't work, then it may be time to get lengthened driveshafts.
     

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