Cars are intricate machines that rely on a series of chemical and mechanical processes to work properly. When things go wrong with one of those processes, your car can start to make some strange ...

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 ...

We may receive a commission on purchases made from links. There are many V6 and V8 engines that use camshafts located within the engine block and pushrods to activate overhead valves. In those engines ...

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 ...

Without a doubt, solid cams carry a certain mystique. In the musclecar days, solids were factory-fitted in some of the hottest iron out of Motown, including the early street Hemi. There was a little ...

"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 ...

Hot Shot’s Secret launches Tick Fix + Protect, an oil enhancer designed to address lifter tick and valvetrain noise.

CarComplaints reports that a federal judge just handed GM a significant procedural win in the long-running engine lifter class action, denying the plaintiffs’ motion to sever the case into two ...