Q: I have a 2009 VW with gasoline direct inject and a 2.0-liter turbo engine. It recently needed the intake valves cleaned (a very costly job) after just 54,000 miles. I understand many manufacturers ...

Whether to rejuvenate a broken down car or to upgrade and increase the power output, rebuilding an engine is a major job. It takes a great deal of mechanical skill and knowledge to undertake such a ...

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 ...