torsion bar adjustment

Discussion in 'Chevy Silverado Forum (GMC Sierra)' started by badbowtie12, Nov 11, 2008.

  1. badbowtie12

    badbowtie12 New Member

    im trying to figure out if it is at all possible to "crank" up the torsion bars on my 02 silverado to make it level and fit possibly 33 inch tires on it. any feedback let me know
  2. tlperry68

    tlperry68 Epic Member 5+ Years 1000 Posts

    Pick up a front end leveling kit for about 200 bucks. You NEED the torsion key or a spacer.
  3. retired

    retired Rockstar 100 Posts

    The most you can get out of cranking up the torsion bars is maybe an inch.
  4. badbowtie12

    badbowtie12 New Member

    which brand do you recomend? i seen that has them for like 229.00, but then they say you should install blocks in the rear for towing reasons. i dont plan on towing anything with my truck, strictly for show and play.

    will adjusting the torsion bars affect the ride of my truck or throw it out of alignment.
  5. GaryL

    GaryL Epic Member 5+ Years ROTM Winner 1000 Posts Platinum Contributor

    Adjusting the torsion bars will give you a little bit of extra room in the front, it will affect the ride (it's like putting in stiffer springs) and you will need an alignment. For one full turn of the bolt on the torsion key, you get approximately 1/4 inch of rise. It has been suggested to not go more than 1 1\2 inches or you may run into geometry problems with the A-arms, cv axles, etc.
  6. tlperry68

    tlperry68 Epic Member 5+ Years 1000 Posts

    Ready lift is just fine. I have not heard that you should add blocks in the rear. The point of a leveling kit is to level ot out. It would be redundant to lift the rear after leveling the front.
  7. 64C10

    64C10 Member

  8. dwill3015

    dwill3015 Epic Member 5+ Years ROTM Winner 1000 Posts

    Here is another LINK for a leveling kit that is adjustable.
  9. raiderman8112

    raiderman8112 Rockstar

    alittle off topic but whats a recommended tire size for adjusting the torsion bars 1"? id like to add alittle bigger tire under my truck when i need new tires and i am thinking about bfg all terrains for alittle more of an aggressive look.
  10. Innundo

    Innundo New Member

    I don't know if my size would fit you, but it gave me a lil bit of a bump?

    I run BFG's 285/75R 16... its about 32.8 inch diameter... roughly 11 inches wide.
    Stock tire was 245/75R 16 I believe?

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