Hello Mike,

I've got a few AMT turbines and can tell you that as long as you run the correct fuel and oil and don't fly in the Sahara, you can expect bearing performance beyond any of the other brands at present. For example, I sent my Pegasus in for a check up after 100+ hours and the response was "the bearings do not require replacement".

Good luck, and I hope you enjoy operating these turbines,

Frank