I rebuilt the carb today put and put it back on at 1836.0 at 1837.0 it started the whole back firing spitting and dying out again. I let it idle at full rpms for about 10 minutes spitting like this. Then I went from 1837.2 to 1838.4 at half throttle pulling up on the choke to keep it from dying and restarting it when it did. Then I took it and dropped it off at john deere for service. I will let you guys know what they say.