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Message: <blockquote data-quote="CPB" data-source="post: 23010" data-attributes="member: 12360">In my opinion the main take-away from the video is: Which he even mentions doesn't mean heavier is always better or even required. It's always based on application needs verified by data. I run thicker in a lot of engines based on oil temperature and/or pressure. -50 is something I'm running in the LT1 due to recommendations from GM for track usage, my own UOA, and the temperatures I see.</blockquote>