I have been changing my oil on the 21 different new vehicles (all BLACK) that we have had so far, 3 of which were/are diesels at the ~1000 mile mark. Sometimes I have noticed a very small amount of little metal particles but I have never had issues like burning oil or oil levels increasing. My 6.4 has 24K on it now and I have been changing the oil at 3k intervals since the first one. I think and feel great about having fresh clean oil in my engines. The one thing I will never understand is the idea of sending your oil out to be analyzed. It seem wrong to wait for someone to tell you your oil has begun to break down and it is time to change it  . Why wait, why not keep good clean well maintained oil in your engine at all times? Oil changes are a lot cheaper than trips to the mechanic and I like how it keeps me in touch with the “underside” of my: 2008 F350 FX4, 6.4, 2008 Infiniti FX35 & 2008 Mazda 3, 5 door.
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2008,F350,FX4,Black/Black Leather Captains Chairs,CC,DRW,4:30s,Auto,Tow Boss/Tow Command,NAV,DVD,Sup Htr,Upftrsw,Adj Peds,200A Alt. AIRAID Intake, Magnaflow 5" DPF back,Husky mud flaps,Lund vent visors,Reese 20K// Towing 2005 HR Presidential 36 SKQ, Loaded
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