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Given the good feedback I've heard around running a 5w40 in the 6.0 PSD, I'm looking at making the change. I've run both Amsoil and Lubrication Engineers 15w40 in the past with good results. But, with the stiction issues, and my preference, I'd like to hear any experiences with Lubrication...

Could really use a recommendation on wheel bearing grease for a boat trailer. I've learned a good bit about engine oils on this site, but Grease is a whole new world for me it seems. I'm getting ready to rebuild the undercarriage of my boat trailer. I've never had a bearing failure (thanks to...

I had this UOA run not so much to validate the oil or extended oil change, but to check the health of the engine. Having bought the truck early last summer, I had made up my mind that given the PSD 6.0 problems out there, if this one had antifreeze or excess fuel in the oil, it would be getting...

Seems to be quite a bit of oil knowledge on this board and I know I'm probably another guy looking for a recommendation, but would love to hear some feedback. I have really been stuck between the Valvoline Premium Blue Synthetic and the Schaeffers 9000 synthetic; given all the good reviews I've...