So, the last C&P I did had enough carbon/grit in it to get a comment. Ran a quart of HPL 30wt Engine Cleaner in this change with M1 High Mileage 5w20.
Filter is spotless, kind of surprised. The oil looked great and seemed different in how it sticks to what it touches.
Filter is spotless, kind of surprised. The oil looked great and seemed different in how it sticks to what it touches.