Dan - looks like I need to take a course in remedial reading !!! I saw 1947, and completely missed 235.

The YF with manual choke for a 1959 235 would be 2100s, with an automatic choke 3211s.

Jon

Good carburetion is fuelish hot air
The most expensive carburetor is the wrong one you attempt to modify.
If you truly believe "one size fits all," try walking a mile in your spouse's shoes!
The Carburetor Shop