I hope that 700R4 tranny is a newer one. The early ones, pre-93, were junk.
It's from TCI and I understand they are good transmissions and it's guaranteed.
'33 Hot Rod Chassis #1118, Gen 2, hard top, bike fenders, AC, electric steering. BluePrint Engines Chevy 383 Fuel Injected with the 700R4 transmission 8.8" rear 3.55.