1991 JAG IFS goes in the 1966 F100
Below I am looking at the frame and how the Jag will fit Frame measures 33 3/8 at the old spring tower locations. Then goes out to 34" 1991 Jag IFS measures less than 33 with no alignment shims, Frame measures a heavy 5 3/4" From the top of the Jag crossmember to the bottom of the control arm busing measures less than 5 inches. Do you see a problem here? The upper rear bushings will hit the frame. First off with one side of the crossmember to see how this fits. This will not slide up between the rails because of the width, This is the front frame axle center With center marked I want to make a notch big enough to allow some adjustment before we weld this in solid. I put the tape on center at 2 1/4 and marked the end, then marked 5 1/4 on the rear. Started looking at the height. Marked out the area that I want to remove. 4 5/8 proved to be wrong. I later was cut to 4 1/4 for proper clearance Took the removed piece and tacke...