2010-2013 Mazda 3 & Skyactiv Discussion
Currently running Pennzoil Platinum 5w-30 synthetic, and the difference is quite drastic.
Sounds nicers, runs smoother, I dont know if its placebo or anything but I like DIY oil changes. (I AM HOOKED!!)
That raises the question, are the mr.lub and dealer oil junk? (even synthetic ones)