Send your carb to Carolina Carburetor. http://www.mycarburetordoctor.com/ 910-762-4695
Butch is the very best at rebuilding carbs. He rebuilt the carb on my truck, it starts and runs very well as long as I remember to turn the kill switch off! smile After rebuild, he runs the carb on a test bench that assures everything is 100%.

1958 Chevrolet 3600 NAPCO 4x4 Apache
"Calvin"
In the Stovebolt Gallery