August 24, 20241 yr Moderators Following some wind tunnel testing this week, NASCAR's sanctioning body chose to introduce and mandate an air deflector above the right-side window for all Cup cars running this weekend at Daytona. It matches an existing 'shark fin' on the left-side of the car, designed to make the liftoff speed higher. In essence, cars will have to be going faster to reach a point where blow-over crashes become ...Keep readingView the full article
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