Car is unstable on the highway??

[byrnech]

That's a good question, my car does the same thing. It just started getting sloppy over time. I had the same wind blowing the car around feeling, but there was no wind. I had weld racing wheels with front runners up front, no sway bar in the front. I replaced the front steering rack, got some 16" ponys, put the front sway bar back on replaced the upper and lower control arms in the rear, had the torque boxes welded up and put the torque box kit in also, my shocks and struts have less than 7000mi on them, and the problem still persists. Just a few weeks ago I was driving on the highway and something broke on a down shift to pass some slow people. It felt like a flat tire, and my steering wheel is cocked 1/4 turn to the right. I pulled over and all my tires were fine. So I brought it to a shop and they said it was my upper control arms. They were shot, which is wierd because they were only a few months old. I replaced them with UPR adjustables, and it is still there. I am going to get a UPR K-member kit with coil overs this payday, if that doesn't fix it then I give up. Any Ideas?