I'd go with the OEM Mazda Oil Filters but any high quality synthetic 0w20 will work fine.
Anyway I always ran Mobil 1 5W-20 full synthetic with their filters and change every 5k, but have since just switched the Costcos brand of oil. Can get it for a pretty good price when it goes on sale so I just stock up. Reviews have said it’s a good quality oil so that’s just what I use.
Do the oil change and use a high-quality filter such as mobil 1 . Then change every 1000 miles.
I use Mobil 1 High Mileage Synthetic along with the Mobil 1 filter.
This is probably going to get buried, but my quarter of a million mile 2.7 has an issue with oil pressure on initial startup.
Only when it's below 20° Fahrenheit, and only with fram ultra synthetic filters.
I've changed oils a number of of times and it's never made a lick of difference.
However, running a mobil one oil filter has dramatically improved cold start oil pressure.
My two cents, spend money on the filter, get a good deal on the oil that is within spec
I changed my oil filter at the 350 mile mark and upgraded to the Mobil 1 M1-104A oil filter. Just passed 1300 miles and it's doing just fine.
I'm using the M1-104A on my 2022 INT650 and haven't had any issues. It's got about 2500 miles since I changed the oil/filter after the break in.
For oil filters, the highest-rated brand performance-wise was the Mobil 1 Filter. Stay away from Fram, cheap shit. Take one apart some time and you'll see why.
The Miata is pretty easy to work on. But ironically, one of the simplest jobs is a major PITA, changing the oil filter The thing is buried underneath the intake manifold.
mine is like thick and black with mobile 1 and pure one filter
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