1969 Race Dart w/ 426 Hemi- garaged for 45+ years

Heck, I would make it run. After you get it lit, you may find it doesn't need a overhaul. May be just a smaller cam to de tune it so you can drive it.
I don't know enough to get it running. FIL's friend said there are some radical race parts in it and not meant for the street. Also like I said I don't know how it was put away. I didn't want to hurt anything internally. I am looking into Hemi builders to tear apart and rebuild to put it back in the car.