NASCAR Broadens Practice Adjustments for O’Reilly Teams
The weekend practice at Darlington Raceway will see a new rule: teams in the NASCAR O’Reilly Auto Parts Series can now swap rear springs. Revolutionizing Session Adjustments Until now, practice changes have mirrored those a pit crew can make on the track—tire pressure tweaks, trackbar or shock rail adjustments, and other minor modifications. After the […]

