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 ...

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 ...

REV kits, camshafts, and lifters are essential components for boosting engine performance, tuning valve timing, and optimizing horsepower in classic and modern V8s. This video explains how each part ...

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 ...

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, ...

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 ...

There are very few sounds sweeter to a gearhead than a small-block spinning past 8,000 rpm. For anyone who appreciates internal-combustion engines and horsepower, a race engine spinning at high rpm is ...