Portland International Raceway, Portland, ORAugust 31–September 3, 2012 Richard Duncan’s 1966 Bill Leonheart Special is pursued by Eric Dolson’s 1969 Chevrolet Corvette and E. Michael Smith’s 1967 Ford Mustang. Photo: Jeff Mach Ian Wood’s 1972 Rawlson CR11 leads a pack of open-wheeled cars into Turn 3.Photo: Jeff Mach Myles Winbigler leans hard into Turn 3 with his 1960 Lotus 7 America.Photo: Jeff Mach Arnie Loyning puts his 1974 Lola T342 Formula Ford inside of Bob Posner’s 1970 Titan Mk 6B into Turn 1 during Sunday morning’s race.Photo: Jeff Mach