I saw that sight too, but I have always ran the stuff and have had no ill effects. The aeration would seem to be more of an issue at high rpms, where oiling is most important. I don't think it would be an issue for cruising or occasional racing. Besides, what were they turning their model to? Wasn't it well over what would be normal for even a racing engine, something like 15,000-20,000 rpm??? Also, I recall if they heated the oil or not, which I would think would change things up a bit. :toothy7: