hey again...

This engine has got to have something seriously wrong with it. It seemed to be working ok, but never had the power I expected

But now it is having issues again (doesnt seem to be an air leak) and i cannot get it to restart when its hot. By hot I mean above 220 F. It doesnt seem to have much compression when its hot either, which would indicate to me a dead engine. When I am pulling it, when i realease the pull cord I can hear something of a shhhhh type noise but i cannot seem to figure out where it is.

But how could that be? It has less than 1 gallon through it. I know that one time when i was figureing out the air leak issue, it did get up to about 300 for a few seconds, but other than that i have kept it a bit richer than optimal.

What else could cause it to not restart when its hot other than it being dead...?