Quote:
Originally Posted by E.Roy
A different perspective, it seems to me that less air dam would tend to increase pressure under the engine bay and body, likely reducing air flow through coolers.
Of course, would need testing to know
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Efficient heat exchanger(s) would harvest the forward stagnation point for the highest pressure source, and it would have to exit, regardless of location, simply because of the delta-P across the heat exchange matrix, as,
anything downstream of the airdam would essentially be at a lower static pressure.
The front wheelhouses are a source of high drag, and the current convention is to fully enclose them, even into the engine bay, allowing air only to escape where deemed appropriate.
Forwards belly paneling would allow for energetic, fully-attached, high-velocity/low-pressure air moving under the engine compartment.