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  1. #1
    Newbie
    Join Date
    Sep 2008
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    Carson Valley, Northern NV
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    Default 04 'Burb 1500 4X4 - Adj. Torsion Bars?

    My '04 Suburban 1500 4X4 has Option Code FK2 & FK3 (Adjustable Torsion Bars L&R). Are these truly 'adjustable' or are they subject to the same stresses as stock when they're cranked up?

    All I want to do is level the truck and there is only about an inch difference from front to rear...however, it's enough to bug me. I'm running BFG All-Terrain T/A KO LT285/75R16 w/o any rubbing issues, but I would just like to level it. I know the issues involved with cranking up the torsion bars, but am looking for that elusive inexpensive fix as opposed to installing aftermarket torsion keys.

    Thanks.
    Attached Thumbnails Attached Thumbnails BURB.jpg  

  2. #2
    Legend cascott325's Avatar
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    Aug 2008
    Location
    Lawrenceburg, Kentucky
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    1,709

    Default

    just lift the front end of the truck off the ground. take a breaker bar or something you can tell how many cranks you make. tighten the shortest bolt first, but make sure you keep count on the number of turns you make. once you've tighten the shrtest bolt as far as you want or need, proceed to turn the second bolt to the same number of turns as you did the other. take note that the more you tighten, the more your front tires will toe in they will go from l l to \ / but as long as you don go to the extreme, you shouldnt be able to tell unless you're really looking for it. i did it to mine, and it made a big difference in the looks and the feel of the truck. you will also probably experience a stiffer ride in the front end, but ifyou really want to level it up, then thats what you'll have to live with. i didnt notice too much of a change, so i let it be.
    when you're all done let the truck down, and drive it arounf\d the block a few times to get a feel and let everything settle into place, then stand back and take a look
    2000 silverado with a 5.3l v8, shorty headers, upgraded plugs, 10 mil wires, magnaflow high flow cats, flowmaster 80 series muffler(2 in 2 out) w/ 18 inch stainless silverline tips. i have a k&n CIA. its a 4x4 z71 offroad package. Ls model.
    extended cab 160k miles, truxedo low profile bed cover, diablo sport predator tuner.
    reman tranny @ 130k miles
    Chris

  3. #3
    Jr. Engineer black jack's Avatar
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    Aug 2007
    Location
    fort myers , florida
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    270

    Default

    just make sure to get front end aligned afterwards. good luck and it will look great after your done.

  4. #4
    Newbie
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    Sep 2008
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    Carson Valley, Northern NV
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    Default

    Thanks for the input!
    BCD
    '04 K1500 LT


  5. #5

    Default

    i would say just crank it till its level. the higher you go, the higher the stress on your front end parts
    PETE
    95 GMC Sierra 2500
    3" Body Lift, 33" Goodyear MTR's
    5.7L 350 TBI Edelbrock SDT Exhaust, Flowtech Headers, K&N Intake
    Sold :(
    1999 Jeep Cherokee, 3" Rustys lift, 33" BFG MT's, locked, armored: Rolled :(
    2000 Jeep Grand Cherokee Limited. K&N Intake, Custom Kolak Exhaust


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