Ok I have a 69 Mach I with Total Control upper control arms and stock lower control arms. My problem is that after about 4 passes the front end is out of adjustment. I have cables tied from the top of the shock towers to the upper control arms to limit the amount of rise I get in the front end. After pulling the wheels about 3-4 times on launch the lower control arms starts to move out. The eccentric washer is turning allowing the lower control arm to move out. I have tighten it to the point that the lower control arm was binding some and it still is moving out. I noticed on Total Controls website they have an adjustment replacement kit but they cost $50.00 per side. I was hoping someone on this site had fixed this problem an easier and cheaper way than buying these square washers.