The threads in that airhorn are stripped and not usable.
Call me tomorrow.
573-392-7378 (9-12, 1-4 most Mon-Tues central time).
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