Start at battery with tools, 150 grit sand paper, dielectric grease and marine electrical varnish. Disconnect, sand, clean every connection shiney enough your mother in law will eat off them, only stop when you stop coming to connections.
The drive was probably great 60+ years ago
How good it is today depends on maintenance, condition and how deep your pockets are to maintain something that old
The motors are GM industrial motors
Bearings see your local NAPA. Get clevite
Starters, any marine starter source. Same as alternator.
Sea pumps. Determine who's pumps. Most likely jabsco or Johnson
Circulation pumps. Any pre 1991 3.0 marine pump
Elbow.... That may be generic. Post...
If you do it from the outside and you leave a 4" border, that is not a full transom replacement. The transom and stringers are the spine and skeleton of the boat. Not doing it correctly will lead to a catastrophic failure.
Most facetubers do things wrong
