torsion bar adjustment

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Nov 17, 2004 | 10:34 AM

redrumybronco

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torsion bar adjustment

I have a 2001 supercrew 4x4 with a 4"inch suspension lift. I just purchased a set of tires, 315/75R-16 size, and soon realized that the 4" lift is not enough as the front tires rub on the front bumper when turning a tight corner. The rub is very minimal and I will soon be trimming the plastic skirt but I was reading where if I were to adjust the torsion bars I could possibly gain a couple of inches IF they are not already maxed out. All I really need is perhaps one inch I think. I know that if I did that the side effects would be a rougher ride but my question is would I need a re-alignment of the wheels to compensate for a different angle the tires would be in? The article I read did not mention if it would affect the camber or if this should be taken in consideration. Does any one know?

Last edited by redrumybronco; Nov 17, 2004 at 10:43 AM.

Nov 17, 2004 | 10:52 AM

F150dana44

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yes cranking the torsion bars does change the camber but on many fords there is a bolt to adjust the camber some there isnt though so i would find that out first before you crank them up also make sure your CVs arent running at to high of an angle.

Nov 19, 2004 | 10:43 PM

JeremyH

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From: Houston, Texas

Increasing the distance from the axle to the frame will ALWAYS require an adjustment to the tie rod and/or drag link on a SFA vehicle.

Nov 20, 2004 | 09:51 PM

94steve

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cranking on the torsion bars will also make it ride like crap, depending how much you tighten them. just a thought.

Nov 22, 2004 | 09:24 AM

redrumybronco

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Thanks for all the replies. I went ahead and had a look at the torsion bar adjustment and it seems that they are already maxed out, then it hit me, the suspension lift is a 4" Trail Master but that does not come with rear blocks, only an add on spring to give it a 2" lift in the back but there is a 3" lift block in the back as well, I think that the torsion bars were cranked all the way up to accomodate the blocks in the rear so in all it probably has a 6" lift! Now about it riding crappy, they fixed this it seems by putting on those adjustable shocks (Rancho) so the ride is not at all bad, a bit on the firm side, but nothing to really complain about.