Cleaned up the carb before installing it. The second throttle was getting stuck; the screw was backed off too much.


I was nervous about welding on the exhaust manifold but after warming it up with a torch (Cast iron brakes when the temperature difference is too great), I silver brazed a screw on it. I previously did a few threads to hold the screw in place. After brazing, I warmed up again the rest of the manifold and let cool off slowly.


After sawing, grinding and tapping the screw. It is a little off center but I just have to modify a little