During one of my many daily jaunts under the hood to inspect everything that's broken before and has been fixed, I noticed my smog pump pulley was beginning to wobble. During engine operation it ...

Q:Over the last several months I have acquired numerous questions regarding smog systems, including how smog systems work, vehicle application, interpreting date codes, rebuilding your own system, how ...

Most rodders underestimate the importance of maintaining the emissions equipment on their cars. Contrary to popular belief, emission controls on modern engines are designed to help maintain an ...