RICHMOND, Va. — NASCAR took some steps toward trying to improve its short-track and road-course racing package during a two-day test, but it still has work to do to try to find the right aerodynamic ...

NASCAR officials announced in January updates to the NASCAR Cup Series rules package for short tracks and road courses in 2024, introducing aerodynamic changes designed to promote more competitive ...

The NASCAR Cup Series will run a simplified diffuser at a majority of the tracks 1-mile or less in length, as well as all road courses, the sanctioning body announced Wednesday. The change is part of ...

NASCAR Cup Series cars will use a simplified diffuser on short tracks and road courses this season. As part of a continued push for more competitive racing, Cup Series teams received a technical ...

NASCAR will introduce a new short-track package for the Next Gen car this week at Phoenix Raceway. With 30% less downforce, the modifications are intended to improve the disappointing racing at some ...