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Old 06-23-2010, 10:13 PM   #17 (permalink)
AeroModder
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Quote:
Originally Posted by Bennett_Racing View Post
So at the back of the car, do we leave the surface flat or add a gurney flap to detatch the air?
On the underside, leave it flat. A lip spoiler on the boot is the equivalent of a gurney flap, just turned upside-down.

If the rules allow, a diffuser at the end of a smooth undertray would be ideal, like this:

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