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Mobil 1 Extended Performance   5w-20.  Synthetic Oil in sub zero temps is a must , much less in high temp areas.


First oil change at 900 miles .


Mobil 1 Put to Test in Las Vegas Taxi Cab Fleet


---------- Post added at 07:29 AM ---------- Previous post was at 07:22 AM ----------




I fully believe this as well.   Take your drop oil in the pan and swirl it in the sun light or under a bright light and you can see the metallic material in it .  Try it with your first oil change and then each subsequent oil change . Don't get nervous it is normal to see some , the point is your first oil change may contain far more then the following changes.


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