[JulianEdgar]

Originally Posted by Vman455

For anyone interested in a deeper dive on this, here's a paper from one of the aerodynamicists who developed the cooling system on the 2005 911 that also discusses the 1997 cooling system, what changes were made, and why. It should be a free download with no registration.

Yes, lots and lots in that paper. I have another video coming up based on the paper's content on ducted radiator drag.