Multivalve engines, particularly from Japan and Western Europe, have taken the auto world by storm in the last few years. Marketing experts working on behalf of the Japanese in the U.S. have done a ...

Desmodromic valvetrains allow for higher revs without needing to worry about valve float. So why do automakers not often use ...

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 ...

March 8, 2009 Fiat Group used the Geneva Auto Show to launch a new engine technology which could ultimately be as important as the common rail diesel technology it invented 15 years ago. Dubbed ...

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 friction ...

February 2, 2006 UK-based RCV Engines is best known globally for its range of model aircraft engines but the unveiling yesterday of a prototype 125cc Rotating Cylinder Valve (RCV) scooter engine could ...