RE: Magician
Bruce,
That's the way most C/L fliers are running the stock LA's, i.e., at a rich two stroke with a somewhat lower pitch prop to keep the lap times reasonable. I think that most using that engine are doing so with either an APC 9x4 or 10x4. The engine revs up a bit by going slightly leaner for maneuvers, but doesn't give them a problem with runaways. Using the stock muffler exercises some control over those runaways as well.