Quote:
Originally Posted by Vman455
Second, even production cars with engine undertrays, rear diffusers, and center undertrays still use air dams. I've spent years now looking under nearly every production vehicle at the Chicago Auto Show, and you all would be surprised how many cars have very smooth underbodies and an air dam, both with and without separate front wheel air dams.
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Yes, I'd be very surprised. The only car I know of like that is the first Chevrolet Volt, and if you read the SAE tech paper, you can see why it ended up like that. Have you got some pics of cars running standard air dams and smooth undertrays?