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.

The Indian Thunderstroke V2, with its 49-degree cylinder angle, side bumpers, and rounded cooling fins, is widely considered ...

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 ...

Sure, the super sedan packs 671 hp, but no amount of power can convince some to buy such a big car with a 4-cylinder engine ... to be the beloved 4.0-liter twin-turbocharged V8 found in plenty ...

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 ...