When Porsche designs an intake manifold, they do things differently. While most car companies try to increase pressure of air ...

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 ...

It might seem that the intake manifold is one of the simplest components on an engine. After all, the purpose of the intake is to provide a series of passages to join the carburetor with the intake ...

If you are any kind of gearhead or have worked with engines for even a little while, then you are likely familiar with the rules of thumb when it comes to intake manifolds and horsepower. The main ...

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 ...