I tell ya, its the same old thing around here. Ditch the cool power. I've been in this sport since 1970 and I have never seen a motor with cool power fuel run right. Thats just my experience. Get the castor dude! Just like the guys that burn up engines at the feild every weekend but refuse to listen to experience, "You gotta be smarter than the equiptment". I also bought an MDS .78 recently just to prove the "pencil sharpeners" at our feild wrong as usual. It runs great, broke in perfectly, and is very reliable. Never a flame out. When all my o.s.'s are finally fried, I'll be replacing them with the russian engines. I have tons of old o.s.'s that I either cant get parts for, or it cost more than a new engine to repair. Even my k and b's run great. what a joke, but true. yes, I am a rambler, but I wouldnt steer ya wrong. Try the Omega since you like morgan fuels, and you will see that your new os will run perfect, if its close to proper adustment.
david
p.s. dont flame me guys, til ya prove me wrong!