American Can-Am thunder was provided by Louis Casazza’s 1967 McKee Mk VII. Photo: Fred LewisHenry Payne’s 1966 Porsche 906E leads Philip Kelly’s 1983 Lola 594/598. Photo: Walter PietrowiczTony Wang gives his 1957 Maserati 300S some strenuous exercise. Photo: Walter PietrowiczGroup C cars have it made in the shade rounding VIR’s picturesque “Oak Tree Turn.” Photo: Walt Pietrowicz