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 ...

An engine's valvesprings play a critical role in its performance, yet those incorrectly chosen for a given application can cause hobbyists to unknowingly point blame in another direction if an engine ...

Auto magazines are full of 1,000-horsepower LS engine stories teeming with superchargers, turbochargers, intercoolers, massive loads of nitrous, race gas, and all sorts of glamorous equipment. While ...

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 ...

A few years ago, I wrote a detailed piece about valve adjustment in a single overhead cam engine. In it, I concentrated on the common configuration, where the camshaft lobes move a set of rocker arms ...

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, ...