A Nascar Next Gen model sits on display in the garage during the Nascar Next Gen Test at Daytona International Speedway on Jan 12, 2022 in Daytona Beach, Florida.

Gillett Evernham Motorsports, in Statesville, N.C., credits 3D CAD and CFD for giving its team the hundredths of a second advantage often needed to win a race. CFD Manager Chris ...