Road America, Elkhart Lake, WIMay 14–17, 2015 Doug Radix brought out his 1955 Mercedes 190SL.Photo: J.R. Schabowski Ben Peotter crests the hill at Turn 6 in his 1970 Trans-Am Mustang.Photo: Jim Hatfield Sean Brown guides his 1975 Ford Escort RS Mk 1 out of Turn 6 during the Dairyland Vintage Classic Enduro.Photo: Jim Hatfield Harry McPherson and Mac McCombs raced this 1968 Ford GT40 Mk1 in the Hawk Performance Endurance Series contest.Photo: Michael Casey-DiPleco