Infineon Raceway, Sonoma, CaliforniaApril 3-5, 2009 Ross Lindell’s 1963 Alfa Sprint Speciale leads Mike Hefferman’s 1954 Jaguar XK120S through Turn 3.Photo: Jim Williams Keith Frieser brought out his 1972 Lola T-290.Photo: Jim Williams David Swig keeps his 1957 Monsterati Special ahead of Glenn Oliveria’s 1955 Alfa Giulietta Sprint.Photo: Jim Williams A classic Formula B battle broke out between the Brabham BT29s of Dave Zurlinden (3) and Tim Monahan.Photo: Jim Williams