Yes, stock bearings in the new engine, and yes, it is screaming! It actually ACCELERATES in vertical uplines, even after a vertical snap it will accelerate up out of site in less than 5 seconds - I love it!

So the replacement bearing is not in the plane, but is sealed, not shielded. This means there is grease packed in the bearing. If I open the seals, I imagine I will have to remove and clean out the grease(?). Will a previously sealed bearing, with no grease, have enough lube from the fuel? I have no intention of replacing the bearing until something goes wrong, but the way I've been treated from OS/Hobby Services I'd call them and see if they'd replace it should it go bad within the 2 year warranty.