I've got a '54 Chev 4100 (1.5 ton) I'd love to convert to four wheel drive, but I'm not sure what components would work. Either of you happen to know if the military stuff from the A.D. era is the same as the 1.5 or 2 ton NAPCO kits? I'm looking at a '52 GMC M1-35 6x6 to use as a donor vehicle.