1low, I cut 8 inches off the rear of the frame and 12 inches out directly behind the cab, I then moved the crossmember forward 12 inches.
stsalvage, here is a picture of the options list from the glove box door of the 70. It has "custom sport truck" listed but I don't know exactly what all that included. The yellow 4x4 above that I sold to Bishops also has it listed on the options list. I'm sure someone on here knows