what are your driving habits? i'm sure you know mazda recommends a 3000 OCI for any harsh driving, harsh driving environments. also, what was in the engine prior to the M1? when did you change out the factory oil?
i have 5w30 PP in right now and i'm at the end of my 3000 OCI, changed out the...
good to see some UOA's for this car. I dumped my factory fill at 1000 and put in PP 5w30. Thinking about getting a UOA done when I change it out at 4000 (maybe next week). I'm interested in seeing if Amsoil's oil would be any better but I don't have the funds right now so I might stick with PP...