Mechanical lifters were once commonplace in internal combustions engines, but they've been mostly replaced by hydraulic ...

At the very least, tearing down, inspecting, and cleaning hydraulic lifters is good engine hygiene that can contribute to long service life in your classic car. It’s also a great way to inspect the ...

One of the advantages of hydraulic lifters is they don't normally require adjustment other than the initial installation. However, there may be situations where the ...

The Cummins 6.7L turbo diesel engine entered its fifth generation in 2019. In addition to improved output of up to 400 horsepower and 1,000 pound-feet of torque, the new engine's valve train featured ...

The rules in some racing classes restrict competitors to running hydraulic valve lifters. Cheaters have been known to run hydraulic lifters on a mechanical (solid) cam profile. Solid cam profiles ...

We may receive a commission on purchases made from links. Decades ago, when cars and truck engines used solid lifters, a cacophonous drivetrain was to be expected. However, solid lifters were phased ...

Most people think of infrastructure as roads, bridges, and electrical lines. Yet many essential services that support daily ...

COMP Cams Explains the Pros and Cons of Solid, Hydraulic, Flat-Tappet, and Roller Cams, and the Advanced Technology that makes them all Work. With horsepower seemingly growing on trees these days, ...