any suggesting for breaking in Irvine 1.20. have started this engine using the following: Master airscrew classic 16-08 prop wildcat fuel 10% nitro synthetic castor blend 80-20. very low compression at first-ringed engine characteristic i quess. tachmetered at idle 2000-reved to 10000. Have run only for brief periods (it does seem to want to stop on its own also-is it getting too hot??) Someone suggested 5%-total castor fuel.
Any info appreciated.