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    Mobil 1 5w-30 (4,848) - 2007 Mazdaspeed 3 (9,621)

    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...
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    Mazdaspeed 3/6 or CX-7 - Owners

    black mica speed3 3850 miles with PP... changing out at 4000, maybe a UOA?
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    2007 Mazdaspeed 3, 2.3T DISI, OEM Fill

    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...
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