How many rotors are too many? While most Mazda engine builders and tuners wouldn’t dare to build an engine with more than four rotors, a company out of New Zealand has built a six-rotor engine for the ...

One of the best aspects of a project build for automotive enthusiasts is the quest for improvements that will add to the vehicle in some way. There are several engine components to replace, add, or ...

A K&N cold-air intake can be worth adding to your vehicle, and it may provide moderate horsepower gains if you install it ...

Intakes are vital automobile components that work to bring oxygen – a key ingredient in an internal combustion reaction – into the engine’s combustion chamber to modulate how much oxygen mixes with ...