Let me put it this way. My 4X4 short bed '84 Ranger has been sitting in my driveway for almost a year. I have gone to 4 yards numerous times and haven't seen a shortbed Ranger period. I went to the local Ford dealer and asked about interchange and he said no other fuel lines will fit my truck. He also said fuel lines to fit my truck are obsolete and no longer available. I even fibed and asked for the same in a '85. again no.
Grab your J.C.Whitney catalog and look up Ranger gas tanks. It'll say "eccept 4X4".
Ford parts countermen only accept EXACT fit you need to ask someone who can tell you what "ecclectic" combinations of parts can be MADE to fit.
as for the fuel tank you needed a "large louphole" fuel tank and those are available shiny new at your nearest Shucks/Kragen/Checker/advanced auto parts for about $120.
There are also incremental differences in fuel lines, the '85-86 EFI used a reservoir cannister. The '87-88 used a slightly different reservoir cannister and added an inline filter forward of the frame mounted pump.
The frame mounted pump WILL fit (it mounts inside the frame where the radius arm bracket attaches).
If you have used an in tank HP fuel pump you MUST remove the reservoir cannister as it is NOT designed to handle the line pressure, and it will probably "pop" if you have mounted an inline fuel filter (FG-800 type) forward.
Frankly I think you are better off with the intank fuel pump.
But as for saying that you were misinformed just ain't right.
you simply didn't ask the right questions... yet.
Also if you have a crank, no-start situation the FIRST place to look is at the ground wires in the harness next to the EEC module (PCM).
As for using the "later" (1989-up) fuel tanks? to do so requires REPLACING one of the frame crossmembers and modifying another, but it can be done, I did it.
AD