A novel intake manifold design shares pressure between both banks of the engine, giving it more consistent performance.

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 ...

Ask any Vette owner to choose between two particular performance components, and chances are he'll opt for the one that makes more power. While this logic may appear sound prima facie, the reality is ...

Cold air intakes are a favorite upgrade for car enthusiasts seeking more power, sharper throttle response, and a better engine sound. By pulling in cooler, denser air from outside the engine bay, they ...

Mike has been an automotive writer since 2007. He’s also the author of a 32,000+ word ebook on the inner workings of cars, suspensions, and engines, with 2 chapters on quick and easy performance ...

There's no disputing that a decent shaker hood is a stylish item that helps a performance car stand out, but it's more than that. A shaker hood also provides a minor performance gain over a stock ...

If an engine’s induction system is only as good as its weakest link, then a set of 400-cfm cylinder heads, giant intake valves, and mega-flow carburetors don’t mean squat if they’re getting choked ...

Among internal combustion engines, diesel engines boast excellent thermal efficiency and can burn fuel that is not highly refined. They use a compression ignition system in which intake air is ...