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  1. 2014-2018 Mazda 3 Skyactiv Engine and Performance
    Hey guys, so I sent a sample of the Mobil 1 0w30 oil I put in my M3 @ 1,000 miles to Blackstone Labs for analysis after 3,000 miles of use, just to see how the oil is handling the Direct Injected engine and my abusive driving style. It looks pretty good to me (and the lab agrees) so I changed...