ANSWERBack in 1955, you (or your grandpa) might have posed a very similar question: "Why does that new-fangled small-block Chevy make more peak power and torque at a higher rpm than my trusty Flathead ...

Word of a DOHC LS conversion was spreading all over the 2014 SEMA show. Even in the booth next to Mercury's proprietary DOHC V8 with big-block proportions, the 4-valve LS heads were drawing a crowd.

DOHC Déjà Vu: Mercury Marine and Roadster Shop team up for a four-cam crate engine with echoes of the original LT5 ZR-1 engine Marine engine specialist Mercury is building an exotic, Chevy-based ...

The increasing number of stroker crankshafts available is giving builders more options when planning a street-performance or race engine combination. The benefits of a stroker crankshaft, however, ...