Gen 1 392 Hemi and 72 Demon

Tooooo much going against it. The big one, cost. You think it's getting hard to find small block stuff, that engine is like archeology. Too much weight and it won't be all that fun to drive.

Leave what remains of those to the hotrod crowd.

If you need to spend tons of cabbage, GenIII hemi. Light weight, available install kits, hp parts will result in a faster, more driveable car and way cooler.