If your car feels down on power, a trip to the garage might be in order, but checking these things before you go could save ...

THIS paper describes the background, operation, and results of a series of 50,000-mile low-duty service tests on motor oils. Comparisons of engine cleanliness and wear are presented in oils ranging ...

I have a 1984 Nissan pickup with only 64,000 miles. It runs great, but the engine is so dirty that I am embarrassed to have it worked on. How should an engine be cleaned? Is steam cleaning appropriate ...