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
Years ago I thought the wife was having her Vega serviced where we had our business vehicles serviced and put on the company bill. Wrong. It hit 135K and locked up. Oil was never changed. Debating on doing that with all my vehicles. At 135K they are about done anyway.
