Road America, Elkhart Lake, WI May 18–20, 2007 John Weinberger. in his1965 Lotus 23C, rounds the new, and faster, Turn 13.Photo: Vintage Velocity Charles Warner, in his1981 Ralt RT4 FA, accelerates through Thunder Valley. Photo: Vintage Velocity The 1962 Warwick GT of Dean Tetterton enters Turn 6 during the MOTRAH race. Photo: Vintage Velocity Myron CottrellÕs 1979 AMC-AMX crests the hill before Turn 6 during the Group 6 race. Photo: Vintage Velocity The 1955 Mercedes 190SL of Doug Radix in the Carousel during the Groups 1 and 3 race. Photo: Vintage Velocity Andrew DysonÕs 1966 Brabham BT1 enters Turn 6 during the Group 2 race. Photo: Vintage Velocity