Is there any proven Aerodynamic loss in the 4th Gen Underbody???

We had my bosses ZO6 up in the air the other day and I was intrigued that the entire unerbody is flat sheetmetal for the most part and aerodynamically looks purposeful. Now compared to a 4th gen camaro or firebird would there be any benefit aerodynamically if the underbody was better designed like the corvette, or at the very least clean up its look any, and/or how much of an impact does the underbody of a car impact its performance at the track??


I have no knowledge air flow or dynamics so i apologize if this sounds like a shot in the dark but the idea was rattleing around in my brain for a few days, lol...


thanks guys,
-john

I'm a little suprised you put this in the drag racing sect. Anyway, I think you already answered your own question. Chevy didn't do this to the bottom of the ZO6 because it looks good!
If you look at any modern road racer, like the C5R, LeMans racers, you will see the same thing. All the exotics do this also. The new Ferrari's produce sever hundred pounds of down force at speed with no rear spoiler.
The flat bottom and rear defuser create an inverted airfoil effect that helps to produce downforce.
There is an old saying, "that you can push a brick to 150 mph" After that you have to start worrying about aerodynamics.