Can anyone tell me the difference between 73-80 4x4 frames and 81-87 4x4 frames. Also on that note whats the difference between 81-84 cabs vs 85-87? is there a site with all this info. I need to do a frame swap on my 81 1/2ton and i need to know what can be used for replacement.
Jesus is my co-pilot and we are out crusin for pussy