It makes plenty of downforce. Prototypes these days make a great chunk of downforce from the underbody. I watched it go through turn 1 (130mph+ at turn in) at

It makes plenty of downforce. Prototypes these days make a great chunk of downforce from the underbody. I watched it go through turn 1 (130mph+ at turn in) at Atlanta, the car was very fast. Now I am bummed I did not break out the radar detector to compare speeds.