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Spring perch mounting surface not flat - problem?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by djohnsn, Feb 24, 2003.

  1. djohnsn

    djohnsn 1/2 ton status

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    Location:
    Plano, Texas
    I recently discovered that the spring perches that I had welded onto my 14-bolt are not flat across the mounting surface (where the spring meets the perch). There is a slight depression in the center of each perch (running the full length - front to back) where the spring does not touch the perch. Is this something that I should worry about?
     
  2. heavy4x4

    heavy4x4 1/2 ton status

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    I would say you'll be fine, but only under the following circumstances.
    Make sure the center-pin is in the hole, that's a must.
    And, it probably won't work if you're using aluminum lift-blocks or shims. (They'll break in half when you tighten down the u-bolts)
    Are the springs mounted on the perches right now with the u-bolts tightened down? If so, how much space is in between the spring and perch?
     
  3. imiceman44

    imiceman44 1 ton status

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    Location:
    Sacramento, CA
    [ QUOTE ]
    I recently discovered that the spring perches that I had welded onto my 14-bolt are not flat across the mounting surface (where the spring meets the perch). There is a slight depression in the center of each perch (running the full length - front to back) where the spring does not touch the perch. Is this something that I should worry about?

    [/ QUOTE ]

    I would worry if it was the opposite, that is when the springs start rocking on the axle and you can break the driveshaft Ujoints.
     

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