SUPER GT Okayama press conference: Future partnership with ADAC for 2028/29 GT500 regulations? von geinou Published: 16 April, 2023 von geinou Published: 16 April, 2023 9 minutes read Rain, hail and thunder: The Japanese SUPER GT series kicked off its 2023 season with a thrilling and wild race at Okayama. Ahead of the season opener, GTA chairman Masaaki …