Reply To: 2021–NSR Formula 86/89 Home › Forums › Club Races › Racing Calendar, Classes & Regulations › 2021–NSR Formula 86/89 › Reply To: 2021–NSR Formula 86/89 August 20, 2021 at 2:57 PM #16836 porsche917Keymaster Are we allowed to put nail polish or other compound on the front wheels to lessen the grip? Marty
