 However the great man stated that he would not demonstrate his World Championship winning Mercedes, he was going to race it.Fangio also intended to drive in a T-shirt like he had in his Formula One days, but had to conform to safety regulations about uncovered body parts and wore a full set of white overalls, though he was permitted to use his old goggles and Herbie Johnson racing helmet.Despite not having raced competitively for 20 years, Juan Manuel Fangio was still the holder of a full FIA Super Licence.