Inhale, exhale—breathing is as important for your engine as it is for the human body. But while we're stuck with the lungs nature gave us, mechanical things can be improved with the right selection of ...

Sometimes theory is neat, but sometimes it fails to describe what actually takes place. The theory of internal combustion engines falls into this category, especially with respect to the function of ...

Optimisation of the intake system in internal combustion engines centres on enhancing the delivery of air (or air–fuel mixtures) to the combustion chamber in order to maximise power, reduce fuel ...

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 ...