Sorry to disagree Dean-but purely for practical reasons.
Splash a a 250 and greet 1000 F'company lawyers. Find a contemporary 12 that looks and sounds within a lightyear of that one. Manage to surmount the above-then register it. Windshield? Defroster? Engine year/emissions h'ware? Open pipes? Yada yada.
Sting Ray- similar roadblocks but at least there are accurate donor parts extant.
If I'm totally wrong and you accomplish those cars, think of the hammerheads that will buy them and install radios, armrests, seat heaters, cupholders AND DUAL ROLLBARS to go to the country club.
Sorry to dampen your parade...
