Some four-cylinder engines use eight spark plugs for better fuel economy, efficiency, and emissions, though they can be ...

Four-cylinder engines have been part of the automotive scene for over a century. Yet the quest for more power under the hood dominated most of the 20th century, giving rise to six- and eight-cylinder ...

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 ...

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, ...

The small-block Chevrolet (SBC) V8 has undergone several refinements over the decades since its creation. While every true SBC generation uses the same 4.40-inch cylinder bore spacing, single camshaft ...

Four-cylinder engines are usually associated with efficiency and compact packaging, yet a handful of engineers have stretched the format to astonishing sizes. The five engines below represent some of ...

As members of the fourth-generation General Motors small block engine lineup, the LSA and LS9 variants share many similarities. In addition to their rugged reliability, pushrod-operated overhead ...

A: I recently spent some time in the Ford Explorer with the 4-cylinder EcoBoost engine. After driving it for a day, I stopped and opened the hood just to verify that it was actually a 4-cylinder ...

The car manufacturing game has changed a lot over the years. We’ve seen trends come and go, and the SUV trend looks set to stay for an extended period. At the heart of that trend is an engine option ...

Even if you're not an automotive enthusiast, you may have noticed in recent years that more and more vehicles have a four-cylinder engine under the hood, including larger cars and SUVs. Automakers ...