not sure on a leveling kit or lift but cranking up the torsion bars will definitely make it ride rough.
Also, double check that the shocks are not bottoming (or more correctly topping) out. jack up the front of the truck keeping the suspension free to move and see if the A-arm hits the bump stop or if it stops short being held up by the shocks. the OEM shocks do not have enough travel in them to accommodate much cranking of the torsion bars. if the A- arms are not resting on the bump stops then the ride can be quite rough and you will risk damaging the shocks. putting longer shocks on it can make quite a diferance
Last edited by 2004LB7; 10-07-2013 at 12:17 PM.