Below, we’ll focus on identifying some of the longest-running and most instantly recognizable engines still in production ...

Nissan’s variable-compression turbo (VC-Turbo) is a unique engine capable of variable compression adjustment. Unlike traditional engines, which have a fixed compression ratio, the VC-Turbo engine ...

Engines are the heart of any vehicle, and their performance over time can make the difference between a reliable ride and ...

Both of these Silverado engines feature continuously variable valve timing and Active Fuel Management (AFM), which shuts down cylinders to improve fuel economy when only small amounts of power are ...

In the auto industry, imitation is a very high form of flattery, and many automakers copy each other's technologies, adding just enough of their own proprietary design and unique features to keep the ...

Duvernay has the highest stock output production Quad 4: the 190-hp 1991 to 1992 RPO W41. The 1993 W41 lost 10 hp due to smaller exhaust ports. Photo: Kevin Davis via Wikipedia (CC-3.0) See All 9 ...

Subaru’s mighty flagship sports car, the WRX STI, is destined for a major upgrade come 2021. Sources close to the Japanese automaker tell us that the next generation WRX STI will employ an all-new 2.4 ...