Well after returning to this threadf to share my experiences i could not be bothered to read another 20 pages Well mine runs fine starts fine etc. it will die if left idling for too long but simple solution if you are coming in for a landing simply blip the throttle. does not die when tilted. has had around 7 tanks though it 50:1 on Belray H1R oil. im getting 7400rpm with a menz 18x8 on and will be trying a18x10 next chance i get