What does it take to make 20k mile oil?
One of my fravorite You Tuber's, Jason Fenske, at Engineering Explained gives us an inside look at what kind of R&D it takes to make a 20k mile oil. Notice the 500k test miles they put on the Silverad...
Forum Discussion
centerline wrote:
its been 30 years ago now, but in our trucks (cummins and cat motors) we always had a 20,000 mile oil change interval. we used delo 400, and the oil didnt really seem too bad at that mileage.
That interval is about right for the Cummins Bag Cam and Cat 3406 engines. Today, the Cummins X15 has a 25k mile severe service, 35k mile normal service, and 50k mile light service oil change interval.
