I have always had to use the van front crossmember for the 55.2-59, the pickup is 4" too narrow where the frame rails go. The pickup fits the 47-55.1 AD trucks by using a 9/16 spacer on each side. Tires sticking outside the fenders are a problem with both the AD and TF with no easy or cheap cure. If some of the new big diameter wheels that many are running now would clear the steering arms with increased back spacing that would be a way to go. 15" and 16" wheels won't clear the arms.
