Interesting. I know this is not in line with your topic, but I use negative pressure in the wheel arch downstream of the intercooler for more flow through the cooler. You can confirm your modelling, or proof of concept with some surgical tubing piped to a a minihelic guage in the cabin. https://www.dwyer-inst.com/Product/Pressure/DifferentialPressure/Gages/Series2-5000