Claim: Jim Clark drove a Lotus-Climax in the 1963 Belgian Grand Prix but was not able to finish the race.
Evidence: James Clark Jr. OBE (4 March 1936 – 7 April 1968) was a British Formula One racing driver from Scotland, who won two World Championships, in 1963 and 1965. The 1963 Belgian Grand Prix was a Formula One motor race, held at Spa-Francorchamps on 9 June 1963. Jim Clark won the race in extremely wet and rainy conditions. United_Kingdom Jim Clark Lotus-Climax