In 1967 he also finished second in the European Formula Two Championship and second in the British Autocar Formula 2 Championship .
In 1966 Gardner finished second in the 1000 km Spa round of the World Sportscar Championship .
In 1967 Gardner also finished second in the European Formula Two Championship and second in the British Autocar Formula 2 Championship .
In 1966 Gardner finished second in the 1000 km Spa round of the World Sportscar Championship .