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4" Tuff Country Lift and shims

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by 76chevy, Nov 14, 2000.

  1. 76chevy

    76chevy 1/2 ton status

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    4\" Tuff Country Lift and shims

    Has anyone with at 4" Tuff Country lift and a 70-80 blazer had to use shims to set the front pinion angle correctly?

    The rear seems to be right on with the tappered blocks but the front seems a little off like the axle needs to be rotated up.

    Thanks

    <font color=red>Spirit of 76</font color=red>
     
  2. tom

    tom 1/2 ton status

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    Re: 4\" Tuff Country Lift and shims

    You have to be careful using shims on the front end becuase they change the caster angle and can screw up the steering and the handling. If you want to change the front yoke angle, you pretty much have to cut the axle tubes and weld them back at the different angle.
     
  3. 90K5

    90K5 1/2 ton status

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    Re: 4\" Tuff Country Lift and shims

    The best way to do this is to drop the transfer case. Its really easy, just put the spacer between the crossmember and the nut between the frame and the crossmember.

    90K5
     
  4. misfit

    misfit 1/2 ton status

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    Re: 4\" Tuff Country Lift and shims

    i have the 4" tc ez ride all spring lift, no problems at all(nno t case dropping or shims)
     
  5. Espen88k5

    Espen88k5 1/2 ton status

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    Re: 4\" Tuff Country Lift and shims

    I dont understand that the angle for the front driveshaft improves when you tilt the engine-t-case down. Wouldnt that cause the front angle to worsen. I understand the rear driveshaft-angle though... [​IMG]

    http://www.espen88k5.coloradok5.com
     
  6. 76chevy

    76chevy 1/2 ton status

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    Re: 4\" Tuff Country Lift and shims

    Well,

    I got out my copy of 4wheel and offroad and looked up some article on ujoints. I measured the angle and according to the article, I'm set up correctly with the correct angle. It just looks weird I guess.

    <font color=red>Spirit of 76</font color=red>
     

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