I would like to see this done and I have a good body 75 Valiant 4 dr with no running gear I would donate to the cause. I took everything out from under it to convert my 67 GT "decoy" to BBP and disc brakes. Just have to come to Alabama
I bet the mid 70's more door A body will likely be the cheapest and lightest.
Everything far away, I found such abandoned other day I (and you) could have for free. Just cut away a few scrubs get it out of the timber. That car would be priced at $2000 on CL and Marketplace!!! lol
