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Yeah the black color I get it just seems the new truck is burning oil.Should neither burn nor make oil.
Diesel oil is black, it's even blacker quicker with EGR systems. Fresh oil change will still look black the first time you start it.
Not really it’s my daily and off road rig. I’m doing a AEV Prospector build but with a Carlie suspension. Lotta highways driving and high speed farm roads out here.Some are reporting some consumption on the new 6.7s. They went to low friction rings in the new engine. Have you towed heavy, or worked the engine hard? Best thing for a Cummins is working hard.
That’s what I’m thinking does anyone know what these are running from factory? None of my dealers here know.If you’re not sure it was full from day one then top it off and see if it drops again.