Mechanical lifters were once commonplace in internal combustions engines, but they've been mostly replaced by hydraulic lifters, which offer a lot of benefits.

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 ...

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

The Chrysler Hemi family is generally considered to be one of the more dependable American-built powerplant lines. Not to say Chrysler has never produced a dud, but, by and large, the brand is ...

Last month's "How It Works" story gave you the basics of the four-stroke cycle, describing the motion of the intake and exhaust valves in relation to the piston moving up and down in the cylinder.

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 ...

When General Motors launched Active Fuel Management (AFM) and then, Dynamic Fuel Management (DFM), the idea was that the fuel consumption of truck and SUV owners could be improved by turning off ...