When it comes to building engines, those equipped with hydraulic roller lifters offer major advantages to budget-conscious car crafters. Starting in 1987 with passenger-car small-blocks, including 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 ...

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 ...

Q: I have a well-maintained 1998 Toyota 4Runner Limited with 239,000 miles. The truck has been awesome, no more than normal maintenance issues. The problem is one of the lifters is knocking. I hear it ...

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 ...

A new approach to squelching noise in hydraulic systems applies compliant linings to noise-control devices for fluid-power systems. A research team from Georgia Tech, with funding from the Engineering ...

A ticking noise from your car can be caused by a number of things. If it occurs when the engine is running but the car is not moving, it’s probably coming from the engine or something associated with ...

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 ...

Engine noise makes us more nervous than any other automotive sound because noise can mean expense and inconvenience. And, sometimes engine noise is nothing more than a normal dynamic of the engine’s ...

We begin our discussion with the most common cam type offered: the hydraulic flat tappet. Used in literally millions of production Chevy big- and small-blocks, to say nothing of the many V-6 ...