Also acu license holders test days on Friday before race meetings. Book through 3 sisters. 2hr open pit lane sessions, can book as you like. It's exhausting there though, beware! I know as I race there with Preston and district club. From what I saw on youtube charity ride days don't use full circuit. Some lad was bragging about mega lap times on FB that sounded implausabke for a novice on a road bike 4 stroke
Oulton bookings taken by various companies.