Not all of Harley-Davidson's engines ... cylinder head), often resulting in oil getting into places it really isn't meant to, draining from the places it should be, or both. Many earlier Twin Cam ...

Just the very ubiquity of the four-cylinder engine gives it a bad press ... The head meanwhile was a special twin-cam item related closely to the six-cylinder S38 of the original M5.

Four-cylinder engines are becoming more common due to less emissions and better gas mileage, but that doesn't mean they have ...

Although offering some race-winning Ferrari F1 cars of yore, in the early 1950s, Enzo Ferrari ordered the Italian power plant designer to create a twin-cam four-cylinder ... engine. A 4.4-liter ...

Toyota used the engine in many cars for nearly 20 years, and it was one of the first fuel-injected four-cylinder options to utilize a 16-valve infrastructure and twin-cam design. Toyota’s 2JZ ...

Twin-scroll turbocharging. The new 4-cylinder engines feature twin-scroll turbocharging. This means that the exhaust stream from cylinders 1 and 4, and the exhaust stream from cylinders 2 and 3 ...

the AMG 4.0-litre V8 biturbo engine is a new development at the sporting heart of the new Mercedes-AMG GT car. This innovative eight-cylinder unit stands out for its sublime power delivery ...