Apparently I can't post pics till my post count is higher but it is a 4 door sedan we are working with.
The courses we are running are all pretty substantial road courses, or Rovals. I can't even recall the last time I used first gear and wasen't in the pits. The vehicle is definately horsepower limited, so drag reduction will be my primary focus with downforce being secondary.
Maybe I'm looking at the whole airdam thing wrong, but I am under the impression that if we go to the point of developing an effective splitter, smooth bottom and diffuser an airdam will not generate more downforce, and may hurt both drag and downforce.
I guess ground clearence comes into play here too- the plan is to be about 4-4.5 inches off the ground at speed, and have enough bump rubber in the car to keep the nose off the track when hammering the curbs
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