I know that to answer this question properly I will need a CFD workstation and someone who knows how to use it. However, I am hoping that someone with sufficient experience can apply general principles and get me 80% of the way there.
The project is to install an oil cooler in the front fender of a 928, with a surprisingly good duct
I will have more questions later but lets start with the inlet: should it poke out into the airflow (lower) or be flush to the contour of the front bumper (upper)?
In both cases the back of the light housing will be cut open to approx 11 x 4.” The turn signal will be relocated to the inboard end of the housing.
Here's a quick look at the back end
Thanks in advance for any help or advice you can provide.