South African Formula One Championship build interest by padding the field with Formula 2 and Formula 5000 cars, but viewership was in a steady decline - not helped by a somewhat Byzantine points system. 1976 would see the start of the domination of South Africa's National Championship by Ian Scheckter. Indeed, had it not been for youthful exuberance Scheckter would have won the 1975 title. He won more races than Charlton, but Charlton was more consistent. Scheckter won the first four championship in a row for Lexington Racing before United Tobacco Company withdrew their teams (Lexington, Gunston and Texan). With Gunston returning in 1983, Scheckter
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