Engine oil VALVOLINE or OEM Mazda
Been using Valvoline Restore and Protect so I’m gonna change it even more frequently for the next few changes
My truck is rough cosmetically, but the engine runs beautifully at 175k.
Im currently using it in my car (2017 Ford Fusion 2.0 Ecoboost), and just made a long road trip around 2k miles in the summer heat, some around 100 degrees. The oil looks fine, not really dirty in my case.
My prius went from burning a quart every 1000 miles to almost no consumption after 2 changes with r and p. The oil was so disgustingly dirty the first change which i did at 3k instead of 5k. It definitely cleans your engine out.
Y'all might call me a heretic for running Valvoline restore and protect 5w30 in my 4.0T.
Any oil that meets API SP and is the right viscosity grade more than likely is at least as good as the oils specified by the OEMs.
I don't know what it's doing inside my engine but I just did my 2nd oil change with R&P and noticed my dipstick looks new now. No signs of any varnish, just shiny clean metal.
Extra info, I have seen some stuff about valvoline. Engine looks pretty clean inside after they ran valvoline restore and protect.
Change your oil to Valvoline Restore and Protect 5W-30! Change every 3000 miles, filter too!!!!!
For [Naturally-Aspirated Skyactiv engines](https://en.wikipedia.org/wiki/SkyActiv), it is highly recommended that you use Mazda's own(Idemitsu) high molly GF-5 0w-20. [Arguably it is one of the best oil for skyactiv engines](http://www.cleanmpg.com/community/index.php?threads/45295/#post-357910).
I’m running basic conventional 10-30 Valvoline. Oil changes every 3500 miles. 185K miles, track if 5x a year
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