 Although the first Brabham BT20 , the definitive 1966 car , had been available at Reims , Brabham continued with the BT19 and used it to win the next three championship races . Ferrari , competitive in all three championship races to that point , were not present for the British Grand Prix . The race was held on the tight and twisting Brands Hatch circuit , the track made slippery by oil leaking from other cars and by drizzle . Brabham set pole and led the entire race . At the next championship round , the Dutch Grand Prix , Brabham reported the low speed Zandvoort circuit to be " even more oily and treacherous than Brands . " Brabham won the race after Jim Clark 's less powerful 2 litre Lotus 33 @-@ Climax , which had passed Brabham for the lead mid @-@ race , was delayed by overheating problems . The German Grand Prix was held at the Nürburgring Nordschleife , 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 . 
