Finally started on the 56 3800. The truck was lengthened by the previous owner (not sure why). With the help of my buddy we detached and removed about 4' of the new fram rails to get the wheelbase back to the 135" like my 57 3800. I have a 9' bed to put on eventually.

http://good-times.webshots.com/photo/2836295760101465522moNpAE