[Storm Chaser]

No, I'm not thinking of doing it with the crew, I just thought if you could score a crewcab frame somewhere, it might save you some framework due to the extra length.

If you were to find, say, a 73-87 crew frame, you could mount your bed where it goes on the frame, then add your cab where it goes in relation to the bed, and then you'd have a whole lotta frame left forward of the firewall to get your engine mounted. The hard part would be stretching the fenders and hood. The frame would be uncut, really, so there wouldn't be the headaches of making sure everything is OK for it to go down the road straight. Just thought it might save you some time, money and headache.