In my Turbo, I use what many consider the best oil for gdi engines, pennzoil ultra platinum 5w/30 with the oem mazda filter. Although some aftermarket filters have better filter media, none meet the 22 psi bypass valve specs on the turbo engine.
I use Amsoil EA15K13-EA.
Since I change my oil every 3,500 miles, the OEM is the best choice.
Every 4500-5000 miles with Amsoil Signature and Amsoil filter. Do it yourself, it\u2019s not hard and you can be assured no corners were cut. Don\u2019t go beyond 5000 miles. The 3.5L is really hard on oil. It\u2019s cheap insurance.
I only run Amsoil fluids and filters. Never had any issues and I track my 17' mostly. \n\nI dont use amsoil brake fluid though. Castrol SRF React is the best brake fluid for dry and wet boiling points. But its pricey
I just go to the amsoil website and get the oil that they suggest, I've taken cars well over 200k with that advice. Don't overthink it. If you don't want to use amsoil for the oil, at least see if they have a low micron oil filter.
His initial experience with the Mazda has been pleasant, but it's definitely not as refined as the Corolla. Definitely sportier and looks great, but it has some areas where it's rougher around the edges than the Corolla. Things like having a different size oil filter from the factory than what is sold as the replacement part... Quality of Life stuff like that.
I use Amsoil Signature Series & OEM filter.
Just change it every 6,000km and you’ll be good. Use synthetic, but brand isn’t as important as proper drain intervals.
I was skeptical, but I started using it and their best filter in my '98 Durango 5.9 (gas). I ran it for the full 25 K(+) and sent an oil sample out to a 3rd party "Analysts, Inc." for a full analysis - including spectrographic. Basically, their recommendation was that the oil showed minimal contamination, acceptable viscosity, and was still OK for continued use and to re-sample at next interval.
I went through the same thing, I believe the part number that they gave you is the made in Mexico Mazda value oil filter. It worked on my 2.5 NA. Though in my opinion, the quality of the filter is subpar compared to the OEM made in Thailand filters.
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