From the archives: The beauty of hydraulic lifters is that they self-compensate for valvetrain clearances, doing away with the need for valvetrain adjustment. To celebrate HOT ROD's 75th anniversary, ...

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

Riding on last month's How It Works topic (cams) is this month's topic—lifters. These cylindrically shaped components contact the lobes of the cam to convert the eccentric shape of the lobe into ...

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 ...

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 ...

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, ...

It may not be pleasant, but setting the valve lash on a high-performance engine is a skill that must be learned. The reality is that even the most savvy engine masters had to learn about lash at one ...

Engineers at DaimlerChrysler once analyzed valve trains with nothing more than old Fortran programs. But 3D dynamic-simulation software now handles the task with features tailor-made for modeling fast ...

Add Yahoo as a preferred source to see more of our stories on Google. The engines of yesteryear were pretty simple, with tappets clackity-clacking away on cam lobes, opening valves, and making a ...