GM has filed a patent application a variable displacement valvetrain system with rocker shaft porting and insert sleeves for ...

The 'Intelligent Valve Actuation ( IVA)' system that operates the intake and exhaust valves that are arguably installed in gasoline and diesel engines with only the power of an electric motor is a ...

Valve train improvements are an important part of the continued efficiency advancements of internal combustion engines. Today's electronics allow more precise control and different approaches to valve ...

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 ...

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

Most modern gasoline and diesel-powered engines found in the cars and trucks seen on today's roadways rely on the four-cycle-engine principles developed in the late 1800s by Nikolaus Otto, Gottlieb ...

This paper explains the mechanisms that affect lubricating oil consumption in stationary gas engines. It explains the positive and negative consequences of oil consumption. It discusses the importance ...

Unless you drive a fully electric vehicle, motor oil is an absolutely essential component for your car. Oil is the lifeblood of your vehicle's engine. It provides lubrication for all of the engine's ...