Tex - there are many different. I would suggest one from either a 265 or 283.
Some of the truck versions would be manual choke.
The passenger, and some of the truck versions would be auto choke.
Look on my website for listings.
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