[dsraven]

before getting too far into it you may want to install a door in the opening, as best as possible, and then brace the cab. you wouldn't wanna do a bunch of work and then find out the door doesn't fit or the windshield won't fit etc. also, do the work with the cab bolted down to something, like the frame, so it stays how it should be when bolted to the frame for real. welding tends to slowly bend stings due to heat/shrink.