Ever find yourself sitting at a red light when you feel a minor dip in RPM or a suspected misfire, and you think: “This is it. I am ready for my engine to explode.” The many stages of grief pass ...

Imagine one day, years ago, in some equipment shed out in Middle America, an innovative farmer looking at oil dripping from the bottom of the well-seasoned 5.9L Cummins engine in his Dodge Ram pickup ...