2014-2018 Mazda 3 Skyactiv Discussion
Ok, so I know there are multiple threads on what oil to use, I would like to post here my discoveries.
I have tried multiple oils in my 3. Mobil 1, Valvoline, Castrol Edge (which I have used the most). I often check my oil and do the old Biden sniff test.
All of the synthetics I have used have...