OK, I would like to know if there is any real world testing on what is the best oil and filter out there. I have read many forum posts on what someone "feels" is the best oil. I have watch Amsoil, Mobil 1, etc. videos on YouTube and of course they are going to make their products look the absolute best. I am not interested what someone thinks is the best, but what oil is proven to be the best. Has an independent agency done any real world long term testing on oil and filters? I am curious. The more I read, the more I think all synthetics are pretty much going to give you good performance. I am not trying to start a flame war, just want some real world stuff.