How Does Engine Oil Protect Your Engine? How Does It Work? How Do Engine Lubrication Systems Work - Sponsored By Pennzoil Engine oil is used for several purposes: to reduce friction in your engine, ...

Sure, the daily commute can put a lot of stress on your car, but that's nothing compared to what a full-fledged racecar goes through. In a grueling endurance competition like the Le Mans event, racers ...