I am unaware of any carburetor gasket on any carburetor on which gasket treatment should be used.
Some of the original gaskets were to the soaked in denatured alcohol prior to use, but never sealer of any kind.
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