Quote Originally Posted by Hot Rod Roy
When you start messing with the control arm pivot points, the inner tie rod ends on the steering rack won't be compatible with your front end geometry. As the suspension moves up and down, the arc that the outer tie rod ends move will be different than the arc at the steering arms, so you'll be forcing the toe-in to change . . . and you'll have the dreaded "bump-steer".
I do know that on my 48 F1 pu the width is a litte wider then stock mustang II and the rack has rack extenders to make up the differance NOT longer tie rods. I believe that is to resove the bump steer problem, which I do not have. Works great.