The 1958 Tojeiro Aston Martin of Nicholas Cooke. Photo: Scott SanbornBruce Earl, in his 1957 Austin-Healey 100, leads a pack of Austin-Healeys commemorating the 50th anniversary of the marque. Photo: Scott SanbornA collection of American Specials including a 1957 Ambro Triumph (#15), 1958 Echidna (#66), 1959 Bocar XP5 (#214), 1959 Bocar (#5) and 1958 Echidna (#64). Photo: Walt PietrowiczThe 1965 Brabham BT-14 of Bob Hibdon. Photo: Walt PietrowiczThe 1969 Merlyn MK 11A FF of Ivan Frantz. Photo: Scott SanbornThe 1967 Mercury Cougar Trans-Am car of A. Ross Myers is chased by the 1967 Porsche 911R of Larry Wilson. Photo: Walt Pietrowicz