Engine oil Shell or OEM Mazda
I use Castrol for the Nexon and Punch. The Safari uses Shell. Shell and Castrol are by far the best I've come across. Shell is much much better for the cold weather, by what I've observed.
Could be weather related. I'm in Canada and we have weather from -35C to +35C, so Mazda recommends oil changes every 8000km instead of 12,000km.
I use original Mazda oil and Nipparts for the filters. I live in Europe and I buy these for 80€ / 85$.
My 96 xj I would put in 5 quarts of rotella 15-40 and a quart of Lucas oil stabilizer purred like a kitten
Our Blueprint crate 383 stroker calls for Rotella as an acceptable oil for daily use. Cheaper, too.
Run Rotella in my 80’s and 90’s BMW’s often. They seem to like it, and sometimes it’s cheap at Walmart.
Ran t4 10w30 in my 95 Cherokee for the whole time I had it and it loved in. Never ran better
mobil 1 is trash. i go with castrol5w40 or motul 5w40 or rotella diesel 5w40
I ran diesel oil in my '94 yukon for the entirety of it's 260k miles. My dad always said the same. The zinc was better for it. When I got rid of it, it was still running fine and driving fine.
I've used a number of different oils in my XS400 over the past couple years, can't say I've noticed much of a difference other than when I used a 15W40 the engine was a lot noisier, going back to 20W50 and the engine quieted down a lot.
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