RE: Cause of engine damage?
There's a lot of arrogance out there in some crowds though. Certain groups will get pretty course about being offered any help with an ailing engine or poor set up. Unfortunately I've found most of them to be the people representing the precision side of flying. With that group I usually just stand back and watch and wait for a request for assistance. I need help from time to time too and I get paid to do this stuff, every day.