Nevin Ends

When I google search 58 Dodge images. 2 types turn up.... some with 2 and some w 4 headlights. What is the difference, or am I mistaken?

The jeep FC has been discussed but I passed on it. Finding parts would be a drag and I don't know much about FC trucks and the geometry of swapping drive lines. I love those trucks but that is someone else's dream, not mine.

Does that mean it has a heavy duty rear axle? Would Dana have made the axles? TIA

Hers a pic

I'm brand new here, thanks for letting me join! I've been gifted a disassembled 58 D100 Dodge truck. I know nothing about these trucks. It has a 315 v8 in it. Would this truck be considered a "pilothouse" truck. What other names are these trucks known as? I don't know what a p15 or d24 is. What sources are there for finding parts? Sheet metal? Rubber parts? Upgrades? Other forums or groups? One of my first thoughts is to put a 4 BT or even a 318 into it to make parts more easily available. What other drivetrain swaps have folks done? I know a lot of purists hate hearing those ideas but having worked on several "rare" trucks the constant hunt for parts or fabrication gets old. I'm this trucks chance to get back on the road and I'm not afraid to modernize for comfort and safety.... not to mention driveability. Please respond to any or all of my questions... thanks in advance.