Ok, ran the engine sunday and the tank issue seems to be better with the dubro 14 ounce tank. I tried a few different props and saw 14,700 rpm with my TNC tach and a 10 X 6 APC. Engine does seem to be happy with the higher rpm. 10 X 8 dropped off to 13,500 and the 11 X 7 was down to 12,500. Running a bit on the rich side but at least there is an idle now and the transition is liveable to fly this thing. Going to try an APC 10 X 7 tonite to see where its at but probably fly it with the 10 X 6 and be able to land with less pitch and a slower flight speed while keeping the idle a bit higher. The engine does seem to have good power and run fine now. Too bad the carb is soooo crappy and the exhaust it comes with nothing more than a paperweight in the trash can. As soon as I can find that macs 1250 pipe it will be on there.