Ok, my .02 worth now. I remember the first set of KO 33's I got on my 99 Ranger. I had this steering wheel shimmy. It was just a bit too much for me to stand after awhile. My truck did not have the shimmy with the 30's I had on just before I lifted it and added the 33's. So I went back to the 4x4 shop and they re-balanced the tires and it was still there. They checked out everything in the front end and said there is no reason for the shimmy. They told me the tires are very well balanced and no shaking on the balance machine at the hightest speed!!! I had it aligned at the best place that handles large lifted trucks right after the lift was put on and the new 33's!!! I took it back to the alignment shop and they took it out for a spin. The tech took it right back to the tire area and placed the tires on the tire machine and here is what he did....he aired the tire down, broke the beads loose on all the tires and rotated the tire on the rim a bit and aired them back up again. He told me to take it out and see how it felt. It was perfect!!! So this is the trick I learned. If you have the shimmy and all looks good in the front end....try this then.