For decades, the golden rule of engine care has been pretty simple — change the engine oil every 3,000 miles. It's one of those maintenance mantras so ingrained in practice that most drivers never ...

I have been in the auto repair industry since 1972 … hummmm, a simple calculation of the math illustrates that I have been in car repair for, uh, well, let’s not go there. It makes me depressed. You ...