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 ...

The emissions system of your car does a lot to help make its exhaust more bearable to deal with. But it wouldn't be nearly as ...

We earn commissions from purchases you make using links in our articles. Learn more. Despite recent advancements in environmentally conscious electrified vehicles, most of the cars and trucks we drive ...

The PCV valve (positive crankcase ventilation valve) is a vital part of the emissions controlsystem on most vehicles. Not every vehicle has a PCV valve, but most do. If yours has one, and if your ...

Learning how to build and understand a mini engine is an exciting journey for anyone interested in mechanics. A mini engine, ...

Numerous articles and stories have been prepared by hundreds of experts on how to improve the internal combustion (IC) engine for more speed, power or what have you. Millions of dollars worth of ...

Cars' engines have to resist tremendous pressure and heat up to 3,000 degrees. So what in the world is a soft, explosive ...

Engineering outfit FreeValve, a sister company to Swedish supercar marque Koenigsegg, is developing a new type of engine that does away with the camshaft. The so-called “camless” engine relies on ...