I've found that the local parts store has or can get carb kits for any that I have rebuilt going back as far as 1949. You might have to find somebody in the store that still knows how to read from a book.

1953 Chevrolet 3600
Fried Green T'mater (Vern)
In the Stovebolt Gallery
Caution: Political Statement
Man who runs in front of car gets tired, man who runs behind car gets exhausted.