At 3,000 rpm, the pistons inside your engine are moving up and down violently, the crankshaft is spinning swiftly, and the rocker arms are rapidly doing the two-step with each respective valve. But ...

If you own a car, whether it is a brand new or a few years old, one of the simplest and most important things you can do to keep it running smoothly and efficiently is to change the engine oil on time ...