Hey, Gorp: Stay away from those new Tecumseh carbs with the black plastic fuel bowls! You will tear out yer hair, if you have any, and probably throw the whole mess over the barn roof--this after the thing screws up for the 10th or more times!
I had one on a Tec engine, and finally fixed it, by the preceding method, and then adapting a different carb to it!
Rusty