A newer Ram will go 14k on an oil change with factory recommended oil. A bit less if towing. I'm just not mentally able to let it go that for so I change it at about 75%. What is the point of synthetic (many aren't rated for diesel use) when you get this kind of longevity for a motor that will go 300k+ miles?
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2016 3160, Legacy, Sailuns, Splendide 2100 xc vented, 1 1/2" axle lift blocks, disk brakes. 2014 Ram 3500 SRW SWB 4X4 6.7 Aisin Mega Cab, EBC slotted disks and brakes, Titan fuel tank.
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