Quote:
Originally Posted by kbui
I do agree with the high pressure region at the base of the windshield, but with the scoop too forward like the ZL1's, you are really doing a lot more for smooth flow path to reduce the pressure under the hood for aerodynamic down force purposes and heat extraction is secondary. The water tray on the ZL1 effectively reduce most of the heat extraction capability anyway. If someone provide a CAD file, I might run my own CFD runs just for fun...
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Seems to me whether the reason is for heat extraction or downforce/avoidance of lift you still want the vent to exit into low pressure. I may never drive at 150+ mph, but if I ever do I'll want any front lift at least minimized, which comes right back to the same choice of hood.
Norm