Positive Crankcase Ventilation—three dirty words, but do they really need to be perceived that way? In general, the PCV system has two main functions: vapor relief and liquid separation. PCV systems ...

Car engines last longer than ever before, especially when taken care of properly. When your engine finally does give out with a bang, a whimper, or a cacophony of scary metal-on-metal noises, you have ...

Considering the exterior, we’ve got to appreciate the effort Nelson Racing Engines put into cleaning and smoothing the engine block and cylinder heads. The whole engine looks like a show piece; all ...

The world's greatest race cars are nothing without the engines that power them. They dictate the success of an individual car in competition, but on rare occasions, they're so influential that they ...

Honda K-series tuning is one of the deepest rabbit holes in the kingdom of car modifications. There are several way to slice that pie, with turbo K24s making easy supercar power, or high-revving K20 ...

For a street car, you might consider 400 horsepower to be a mighty figure for a highly-tuned four-cylinder engine. For the boffins at Elmer Racing, though, that’s nothing. Their latest four-banger is ...

The rotary engine, a unique and unconventional design, has provided Mazda with remarkable advantages in the world of racing. Its lightweight, compact structure and distinctive power delivery have set ...

Popular conception suggests that if you want to be successful in the world of motorsport, you need a trunk full of cash. You'll need to spend part of that big budget on a really strong engine, while ...