Overview
- After the Iowa Corn 350, Earnhardt criticized the Next Gen car’s diffuser, low-profile tires and big brakes as sports-car features that reduce driver feedback.
- He argued the sealed underbody and low downforce have created aero tightness that hinders overtaking and forces fuel-mileage tactics.
- Kyle Larson and Denny Hamlin have joined other veterans in faulting the platform’s limited testing and its impact on winning potential.
- NASCAR insists the Next Gen car will remain unchanged despite billions invested and repeated calls for modifications.
- The dispute highlights a clash between modern uniform standards aimed at cost savings and the sport’s traditional stock-car values.