I'd like to know if you guys are using King's tri-metal (HP?) or standard bi-metal (aluminum?) bearings. The recommended applications for bi-metal bearings vary significantly, depending on which company's guidance I've read.

Looks like tri-metals are going to be a thing of the past for a couple of reasons that I've heard. No OEMs use them any longer, and they're prohibited by some countries because of having lead in the tri-metal layers.