This is a category that is pretty rapidly going away. You'll be hard-pressed to find an overhead valve — also known as a pushrod — engine in anything outside of a General Motors LS/LT V8 or one of ...

Ford's 5.0-liter Coyote V8 is one of the best V8s ever, but it hasn't always been the most powerful. Here are five that have ...

General Motors’ all-new 3.9L V6 has been honored with a Breakthrough Technology award by Popular Mechanics for its innovative use of variable valve timing in an overhead valve engine. For ages GM has ...

Contemplating the advantages of the pushrod-actuated overhead valve engine design in what appears to be the twilight of internal combustion might sound as anachronistic as a quick look at the value of ...

It seems, for the modern American production car. that the 'L' head engine is a thing of the past. Present design trends indicate that the few remaining flathead engines now in production will be ...

CP-20H and CP-30H centrifugal pumps feature capacities of 158 and 264 gpm, and a maximum head of 98 and 115 feet, respectively. Overhead valve engines provide peak performance and minimal fuel ...