For what it's worth I have a 1950 Chevy 1 ton truck with a hydraulic lift flat bed. The tank is mounted on the exterior of the frame. There is no cut-out for a filler neck on the cab itself for an internal gas tank behind the seat.

tom

Last edited by tom moore; 01/13/2014 9:48 PM.
1946 GMC Project
"Back-in-the-day Restore"
Read the story in the DITY Gallery