My M Farmall was doing about the same thing as yours with the exception of the throttle being backwards. I went through 5 carburators before I finally got one that made it run right. I would put one on and it would do the same thing as yours (run with choke out only). I took each carb apart and everything looked fine, but I knew something was not right so I kept sending the carbs back to the rebuild place. On the 5th carb, I put it on and it ran perfect. On the bad carbs you could take out the air adjusting screw on the side and it would run fine and as soon as you even put the screw close to its hole it would begin to cut off. Try that with yours and see if it does the same thing.
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