Autódromo Internacional Nelson Piquet (Brasília) consisting of Nelson Piquet and Johnny Cecotto. The event had been run in tandem with another promotional race held in Brazil, the 2 Hours Curitiba, which was held the weekend before the race in Brasilia. The following year the BPR Global GT Series became the FIA GT Championship, and the Brazilian races ultimately proved to be a one-off. There was discussion in 1997 about the possibility of Formula 1 returning to the circuit, with a proposal initiated by Nelson Piquet to move the Brazilian Grand Prix from Interlagos to Brasilia from 1999 onwards, but this proposal was short-lived. In 2006,
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