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 ...

The MG 1275cc engine was an October 1966 redesign of the 803cc Austin A-Series engine that was originally developed for the 1952 Austin A30. There were many versions of this overhead valve engine with ...

Subaru’s EX Series engines are the first to utilize high-performance chain-driven overhead cam technology in the industrial air-cooled market. Featuring four models with power ranges from 4.3 to 14 ...

The latest trend in street rods is really not a new trend at all: Building cars with engines other than the belly-button Chevy small-block. While this might not be the easiest way to make power, if ...