Carl - have you considered the aftermarket Carter TQ? With about 150,000 carburetors to choose from, I have one on my own 350. However, since I detest electric chokes, I use a manual choke version.
Sent you a PM
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