Originally Posted by Maximo

I have no doubt it feels like is spins smoother.. As for a engine spooling faster under load, not likely....Not unless the bearing being replaced created substantial amounts of drag of course....ceramics are smoother in theory, but since these bearings are being run nearly submersed in lubricant I cannot see any noticeable friction differences between steel and ceramic... if the lubricant is doing its job the balls will be riding on a film of oil anyways.... Well thats my story and I am sticking to it !