Looks like I am going to try and locate the rear brake fan intakes just behind the OEM rear window location.
The below link zeros in I believe on the best answer to my question:
"3.2. Effectiveness of suction system
Figure 7 shows the drag coefficient obtained against various angle of attacks between airfoil with and without the suction system. The drag coefficient produced by the airfoil with suction system has a relatively lower value compared to airfoil without the suction system at all angle of attacks. This
proves that the suction system on airfoil can indeed reduce drag acting on the airfoil at almost all angle of attack."
https://iopscience.iop.org/article/1...4/1/012009/pdf
Wish me luck.
