Quote:
Originally Posted by max_frontal_area
...he
ran an 8" wide and 2" thick oval tube which evacuated air from the center of the bottom front of the vehicle (which was causing the lift from air damming up) through the car longitudinally exiting right behind the bottom part of the rear window. unfortunately he ended up in a higher speed class because of that mod...
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So if I understand this correctly, he DID run faster because this mod helped more high pressure air to the back of the car into the low pressure area, thereby reducing drag?
Now it sounds like most posts here are theorising about almost eliminating the low pressure completely, but even reducing it by say 5% would be beneficial.
I (thus) still think that ducting higher pressure air from the back of the radiator through a well made ram-air system, running parallel to the exhaust in the tunnel (not to increase FA) to the back, could be a positive rather than a negative, especially at highway speeds.
Yes / No