Sonoma Raceway, Sonoma, CA April 10–12, 2015 Jonathan Burke, raced his 1973 Brabham BT40.Photo: Brad Fox Tim Barnes’ ’51 Jaguar XK 120 leads Lars Mapstead’s ’52 XK 120 and Nick Colonna’s ’63 Jaguar XKE Low Drag Coupe.Photo: Brad Fox Thor Johnson’s ’74 BMW CSL.Photo: Brad Fox Dalmo de Vasconcelos raced his tidy 1976 Ralt RT1.Photo: Brad Fox