Great Deal for you all
That's the way to find one.
I have a 90 E 350 extended high top that was an empty delivery Van. I've fitted it out for my basic needs and it serves me well. Mine has only one Gas Tank that carries 22 gallons.
I mention this as Fords have had a track history with the switching mechanism that automatically switches the tanks. (if yours is so equipped) This was also on their Pick Up Trucks etc. There are many Ford Forums where people talk about the solution and fixes they have found to assure reliability. This is the only "heads up" I would want to offer you. You may see some of this issue addressed here in the mechanical category too.
The only problem I've had with my 351 V8 was an emission control component on the rear of the engine that blew apart when I was driving. Made a awful sound but the engine still ran just fine. A $20 dollar part and a 1 3/8 inch wrench unscrewed it after the hoses were removed from it. I parked it and let it sit overnight for the motor to cool and it took less than a half hour for the repair. I had to remove the engine cover from the inside.....we call that cover the "dog house"..... and it was fairly quick work to replace.
When I got mine I replaced the Distributor Cap & Rotor, spark plugs, and ignition cables after driving it around a month. It made a big difference as the former owner had done was fleet it with the most basic of maintenance.
The biggest thing I've done with mine is to install an exterior pump behind my fuel tank. The lift pumps Ford puts in the fuel tanks are not that dependable in my opinion.
I used a pump like this one that cost less than $20 dollars and went to a auto wrecking yard and purchased fuel line parts to adapt the installation to my Van. I left the old pump in the tank and this external pump draws fuel thru it with no problem.
If you do this make sure to wrap the fuel pump with some rubber inner tube before installing the clamp over it. This to insulate the sound cause they will be noisy without it. IT has been Very Dependable since. I spliced and ran the two wires from the plug that plugs into the fuel tank pump & gas gauge plug and ran those two wires over the top of the fuel tank to this external pump. Now when I turn on the ignition switch, I hear it begin to pump and then I hear the high pressure pump for the fuel injection pumping. It is under the drivers seat along with the big fuel filter. (those pumps are reliable, but do change your filter once a year)
I knew a guy who had a Ford Pick Up with the dual tanks who installed one of these pumps on each of the two tanks and he claimed it ran better than ever after that. The pump that Ford uses is about 1/3 the size of these and much more expensive.