I wasn't trying to say that they aren't longer or shorter, but just that the drag link is of a larger diameter in the 3/4 ton. The pitman arm ( mounts to the steering box) is identical.
It is too many years ( 39 ) since I did this swap to remember, but like Bill says, the geometry doesn't change.
Bob


55 Cameo 396 TH 400 with overdrive
65 Caliente conv
67 BB Caliente conv
67 Mercury 1 Ton
76 GMC 3/4 ton 454ci
84 Buick Turbo Regal