Martin - don't know, guess if one has a large enough hammer, something can be made to work.
But why bother??? Even the Rochester B's cannot leak back to the tank. As Jerry is so fond of saying "this is a solution looking for a problem"
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