Ignorant question so excuse me, but doesn't a shortbed have the same rear overhang as a longbed?
Just less space between the cab and the start of the wheel arch?
I never really measured, but it's something I should know.
Jim,
Lil'Red is a '87 F250 HD, 4.10's, 1356 4x4, Zf-5, 3G, PMGR, Saginaw PS, desmogged with a Holley 80508 and Performer intake.
Too much other stuff to mention.