Ok new here haven't gotten any answer in the Tecumseh section trying here
Its a sear edger with a 3 hp Tecumseh I put a fresh carb on a couple of years ago cleaned what ever dirt was in bowl & checked gas line & tank ok been doing small engine work for 60 years & some of it in a shop never has a surging problem like this no matter how I tune it I can't get that sweet spot of smooth running it run fine if I hold it at any speed but on its own it surges the float is level with the base & I sprayed in all the mixer screw openings any help in this section ? Thank you