COTA Thursday Notebook
Photo: TGRNA ***SRO America teams unloaded at Circuit of The Americas on Thursday for the beginning of track action, which included a pair of test sessions for Toyota GR Cup North America, a session for Pirelli GT4 America and two practices for TC America powered by Skip Barber. ***An incident in GT4 America testing this afternoon involving the No. 37 Dome Motorsport Mercedes-AMG GT4 of Eddie Kileen and Tom Kopczynski’s No. 52 Kellymoss Porsche 718 Cayman GT4 RS Clubsport has resulted in the Kellymoss team going to a backup car for the remainder of the weekend. ***The sporting regulations in both GT World Challenge America powered by AWS and Pirelli GT4 America have been adjusted ahead of this weekend’s races. Most notably, the maximum stint length in GTWC America has been changed from 50 to 65 minutes, and extended from 55 to 70 minutes in the event a stint occurs during a full-course caution. ***This change, which now falls in line with SRO Motorsports Group’s global sporting r...