:doh:
I don't even know where to begin.
First off, the '76 F-150 D44 is a good starting point. Second, if it was more than just an engine fire, check the axle to make sure it is straight and true.
WJ wheels are 5x5. That D44 will be 5x5.5. If you want high steer on it, you'll need different knuckles, spindles, stub shafts.
Keep reading.