Does your engine need a valve adjustment? It depends on the age, condition and brand of vehicle you’re driving. Due to the popularization of roller-follower valve train designs that reduce ...

The hunt for efficient engine valve technology can be a never-ending journey into cam timing, various combustion cycles, and lift and duration adjustments. For that reason, some companies believe ...

As the engine heats up, the spring inside the thermostat expands and pulls the valve open. Electric chokes use the vehicle's 12-volt power to control the thermostat.

Ford will recall 90,736 vehicles as engine intake valves in the vehicles may break while driving, the National Highway Traffic Safety Administration (NHTSA) ...

As installed on a Chinese Qoros 1.6-liter 16-valve I-4 engine, the Freevalve system lowers the engine height by 1.9 inches, length by 2.7 inches, and mass by 44 pounds.

A simple slide valve is used, allowing steam to flow to one side of the piston and the other alternately, as driven by an arm coming off the flywheel attached to the engine’s output shaft.