Choosing the right valve spring for your engine is essential to ensuring optimal performance, reliability, and longevity. Valve springs are often overlooked, but they play a crucial role in ...

Before starting this valvespring story I thought I had a grasp of its mechanics, but then as it developed it became ever more complicated until it reached a point where I doubted if I had any ...

Department of Vehicle Engineering, National Taipei University of Technology, Taipei, Taiwan Vehicle manufacturers have been attempting to increase engine efficiency and decrease pollution through ...

Abstract: This paper presents a physical model of a spark ignition (SI) engine valve actuated by a voice coil actuator (VCA) and proposes a novel control strategy that achieves fast transitions and ...

Many gearheads buy their cylinder heads fully assembled and don't have to sweat making sure all of the various parts are set up correctly. But for those that build their own, or that just need to swap ...

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 ...

Abstract: In conventional internal combustion engines, engine valve displacements are fixed relative to crankshaft position. If these valves were actuated as a variable function of crankshaft angle, ...