NO !!! Not unless you know the history of that old metal. Same story as my 1948 Starlight Coupe.
There was no BONDO In 1948, no resins, no exotic sealers, primers, clear coats, etc, etc.
They used LEAD as metal fillers, ACID-primers, OIL-enamels, lots of elbow-grease !
Any bodyman will tell...