If your intake manifold has an exhaust heat hole in the carb mounting surface, which a lot of the early one did, your gonna have to do something like, fab a stainless steel thin shim to go under the carb, or somehow block that hole. to stop the exhaust burning the power valve in any of your listed carbs. Obviously this isn't an issue with the Stromberg family of carbs.
Martin.
I have attached a pic of the Aluminum manifold I intent to use. From what I can tell, I don't have exhaust heat holes?