Reply To: 2017 BTCC Series rules discussion Home › Forums › Club Races › Racing Calendar, Classes & Regulations › 2017 BTCC Series rules discussion › Reply To: 2017 BTCC Series rules discussion March 29, 2017 at 7:59 PM #10579 AutoramaKeymaster Changing rules to allow 15.8 to 16.5mm wheels. Have not made my mind regarding tires but I’m leaning towards not allowing Slot.it’s zero grips — too wide. Ary.
