Just a suggestion, but it works very well. Take the measurements of where the tank needs to go and go to a local weld shop and have them weld up a tank. They can weld a filler neck on and make mounting straps for it. Use a hole saw and drill and tap holes for the fuel gauge sending unit.


51 GMC 100 with 59 chevy 261 under the hood.
3 on the floor with 3.42 gear.