Goingbush is on the money! There was an engineering study done using (IIRC) and Audi quattro. The developers placed pitot pressure sensors at various positions on the front of the car to record pressure buildup to determine aerodynamic drag.
At high revs in intermediate gears, there was virtually no pressure! All available air was being consumed by the engine air intakes which were placed each side of the front grill...
MY99 RR P38 HSE 4.6 (Thor) gone (to Tasmania)
2020 Subaru Impreza S ('SWMBO's Express' )
2023 Ineos Grenadier Trialmaster (diesel)
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