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 ...

Rare Ardun-equipped Ford flathead V8 crate engine built by Irvin Werksman is offered for sale with period-correct performance ...

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 ...