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 ...

The idea behind GM's active and dynamic fuel management systems is brilliant, but they may be asking too much of the poor ...

Why ticking happens: Ticking occurs when a lifter cannot maintain zero lash due to wear, sludge, or poor oil flow, creating a rhythmic tap that follows engine RPM. High‑risk engines: Engines like ...

Torque News tracker by Denis Flierl exposes why partial dealership lifter repairs on Chevy Silverado V8 engines trigger oil ...

Engine room and motor box access ranges from easy to inconvenient to knuckle-busting tough. It’s bad enough trying to reach the oil pan or bilge pumps in most boats that you shouldn’t have to struggle ...

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 ...

Q: I have a 1996 Ford Ranger that sat for about a year that I would like to fix up. Everything was okay with it before it sat. Now it has a rapping noise that I think is a stuck lifter. I changed the ...

According to my ongoing tracking of manufacturing defects, proprietary field data reveals a hidden epidemic of low-line ...