Randy Pobst races the 2023 Porsche 911 GT3 RS (992) against the 2023 Chevrolet Corvette Z06 (C8) with Z07 package against the 2023 BMW M4 CSL (G82) — three road-legal track-special models — at Big Willow! In this world's first test of the 992 GT3 RS, SCCA Hall of Fame race-car driver Randy Pobst delivers the definitive Willow S