Air Cooled Porsche 911: Under the Shroud

I've always marveled how an air cooled Porsche 911 controls airflow for efficient cooling. Here's a dive into under the shroud of a Carrera 3.2 and an attempt at me explaining at what's going on under there.

[@john2ndname]

Great explaination on the air system of these flat 6's...Porsche was way ahead of their time.