The engines of yesteryear were pretty simple, with tappets clackity-clacking away on cam lobes, opening valves, and making a ruckus while doing it. Mechanical lifters were adequate for valve operation ...

Torque News tracker by Denis Flierl exposes why partial dealership lifter repairs on Chevy Silverado V8 engines trigger oil ...

Engines are incredibly complex. They are made out of thousands of different parts, exposed to high temperatures, and have lots of moving parts. This leaves many potential pain points an engine can ...

There are a myriad of components that make engines tick. By which we mean "tick" in the sense of the sound, not what makes them angry. Fuel injectors make a ticking noise as they quickly squirt ...

"Bullwinkle, that trick never works. Why don't you figure out how to make hydraulic roller lifters survive big spring pressure." Like Bullwinkle, hydraulic roller lifters get no respect. It appears ...