Time was when a valve job was done with some valve-grinding compound and a vacuum cup on a stick. But no more. Today's high performance engines require the same machining precision in the valves that ...

See if any of these scenarios sound familiar: Every morning when you start your car, a small cloud of blue smoke erupts from the tailpipe. Or, even though your engine doesn't leak oil and apparently ...

A small gap with big importance in the performance and health of an engine - here's everything you need to know.