JAF Grand Prix JAF Grand Prix The is an auto race held in Japan by the Japan Automobile Federation. The original JAF Grand Prix was set up in year 1969 as to promoting Formula Car events in Japan, which was the highest ranked race other than the Japanese Grand Prix. The first race in 1969 was a Formula Libre event and was won by Australian driver Leo Geoghegan driving an ex-Jim Clark Lotus 39-Repco V8. The 1970 race was won by reigning Formula One World Champion Jackie Stewart driving a Brabham-Ford. Then, after a brief suspension from 1971 to 1973 due to a
Brabham BT19 which Brabham described as "Brands Hatch on steroids". On the opening lap Brabham took the lead from Surtees, now driving a Cooper-Maserati. Brabham won after a race-long fight with the Englishman in the rain. With four wins and more finishes than any of his championship rivals, Brabham had a 22-point lead in the drivers championship and could only be caught in the championship by Surtees or Stewart if one of them won all three of the remaining races. Jack Brabham used BT19 again at the Italian Grand Prix at Monza, another high speed circuit. A second BT20 was completed at