Raw material, to be sure!
Looks like a dropped axle on parallel leaf springs in front. Doubt that has a rack and pinion, but you never know!
The steering column looks like an 80s Chevy, probably the same donor that gave the engine/trans. Those columns should just keep spinning in either direction, so the issue is probably the box or linkage. Normally on a rear steer box, the box itself has internal stops. You could disconnect the linkage and turn the box both ways to find the center point and check that with where it is when the linkage is connected and the wheels straight ahead.
However, if you are going to change stuff, the main things to remember before tearing it apart is where the sheetmetal attaches, what the wheelbase and track are, and what you want the final ride height to be. Figure all that out before cutting!
Full frame swaps are a lot more work than you would think, so that leaves using the current frame rails with something attached, or a subframe graft.
Popular stuff is Mustang II based (examples only)
http://www.streetrodengineering.com/Products/mustangllifskits.htm
and
http://www.progressiveautomotive.com/street.htm
Others include Pacer, Volare, vette, jaguar, and any other OE that may fit.

Have you read about LAWFISH's project? It ought to give you lots to consider..
https://board.moparts.org/ubbthreads/show...e=1#Post5088072