Indianapolis Motor Speedway, Indianapolis, INJune 14-18, 2017 A pair of Pro-Am ’69 Corvettes, the #46 of Jody O’Donnell and Roberto Guerrero and the #42 of Al Unser Jr. and Peter Klutt head the field.Photo: Chuck Andersen Louis Casazza’s 1967 McKee MK VII leads Chris MacAllister’s Mirage through Turn 2 during the Group 5 and 7 qualifying session.Photo: Jim Hatfield Arthur Porter in his ’84 Gebhardt JC853 GTP.Photo: Chuck Andersen Chuck Jones turned up in his freshly restored ex-Joe Leonard 1972 Parnelli VPJ-1.Photo: Jim Hatfield