In 1966 , the Repco engine was good enough to score 3 poles for Jack Brabham , it helped him get 4 consecutive wins and both titles in the 9 races long season , a unique accomplishment for a driver and constructor .
In 1966 , the Repco engine was good enough to score 3 poles for Jack Brabham . 
 In his one - off BT19 , it helped him get 4 consecutive wins and both titles in the 9 races long season , a unique accomplishment for a driver and constructor .