While carbon buildup happens on essentially all engines, gasoline, diesel, N/A, or boosted, it's an increased concern in GDI engines. Standard Electronic Fuel Injection features injectors higher in ...

Jacobs Vehicle Systems, a manufacturer of heavy-duty diesel engine retarding systems and valve actuation mechanisms, has launched a new 2-Step Variable Valve Actuation (VVA) system. By enhancing ...

At one time or another all of us have felt the hurt of misapplied modifications. Even the most respected names in the tuning industry have been pwned at least once. Those who have moved on to make ...

A hundred years ago, Opel developed it’s first engine utilizing four valves per cylinder for use in the 1913 Grand Prix racing car. Little did they know at the time that this innovative technology ...