awesome info! Would you say though, if I used PP and just changed it more frequently than I would change M1, that I would keep wear lower and still keep the same cleanliness? (I may be mistaken about this, but it's stuck in my mind from somewhere, that M1 is great at keeping the engine clean?)
Ok, everyone - IYO, what' the best 5w-30 oil, &why
- Thread starter gmchevroletruck
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