Dave did not have a problem turning 9000, he had a problem at a much lower RPM where engines have lived a loooong time without fixing the oil timing issue. My comment about centrifugal force was just speculation on how they live at 6000-7000 RPM.

Don't worry about bringing it up, I was the one who steped in it not you.

I am not causing global warming, I am just trying to hold off a impending Ice Age!