you don't have a choice, the 3/4T would be a long bed .... your biggest problem [depending on how 'original' you're going] will be finding any '38 bed, long or short, but you could adapt a later bed to the existing frame or shorten the frame to use a short bed

Bill


Moved over to the Passing Lane

"When we tug a single thing in nature we find it attached to the rest of the world" John Muir
"When we tug a single thing on an old truck, we find it falls off" me
Some TF series details & TF heater pics & Rust-a-holics Unanimous parking lot