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 ...

We may receive a commission on purchases made from links. There are many V6 and V8 engines that use camshafts located within the engine block and pushrods to activate overhead valves. In those engines ...

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 ...

I had an engine shop rebuild my 327 small-block Chevy. Everything was brand-new, including the rods, pistons, crank, cam, and heads. After fire-up and with 100 miles on it, it washed a ring and ...

A few days ago, we published a report highlighting the valve lifter issues some General Motors customers were experiencing in certain vehicles equipped with either its 5.3L V8 L84 gasoline engine or 6 ...

You can find the 6.4L, or 392, HEMI under the hoods of several models of cars, SUVs, and heavy-duty pickup trucks from Chrysler, Dodge, Jeep, and Ram. The first Gen III 6.4L HEMI variant, introduced ...