Formula 3 Sudamericana Formula 3 Sudamericana Formula 3 Sudamericana was a South American Formula Three championship. It was inaugurated in 1987 and primarily held races in Brazil and Argentina, with a small number of events held in other countries across the continent. Its most notable graduates include former Formula One drivers Nelson Piquet, Jr., Ricardo Zonta and Christian Fittipaldi, three-time Indianapolis 500 winner Hélio Castroneves, and Champ Car champion and former F1 driver Cristiano da Matta. The series was replaced for 2014 by the Brazilian Formula Three Championship, which focuses on Brazilian circuits and drivers. Prior to the creation in 1987 of a
David Walker (racing driver) David Walker (racing driver) David Walker (born 10 June 1941 in Sydney) is an Australian former racing driver who drove for Lotus in the 1971 and 1972 Formula One World Championships. Walker had some international racing experience early in his career in the Australian rounds of the Tasman series in 1964-65 on challenging tracks like Longford and Sandown at a time when most Australian National 2.5 drives were near world class and he also drove a Lotus 70 in the 1971 Australian rounds. During the 1960s Walker's racing career faltered (he was the 1969 British Formula Ford Champion and finished