The website says 18,200 on a 9x6 APC. Never gotten any faster than 17,600 on that prop. I'll give it another gallon of runtime on a 9x5 and see where it gets me. I still don't see how it would run up to Dub's advertised spec before shipment. I suppose if I use more synthetic oil instead of castor it might spin a bit faster, but I'm not gonna replace bearings in it every year.
The liner is exactly where it's supposed to be and the bearings are exact replacements of what was in it to start with.