If you want to understand how engines work, it's important to realize the part the intake manifold plays in the grand power scheme. The basic job of the intake manifold is to route fuel and air in ...

OBJECTIVE: Wet flow, pressure excursions, port volume, runner length, plenum volume—all these figure into an engine's overall efficiency. But there's more… Sometimes theory is neat, but sometimes it ...

In diesel performance, achieving optimal airflow is the cornerstone to unlocking your engine’s full potential. For owners of the 6.7L Cummins, upgrading the intake system is a popular and effective ...