He graduated to Formula Three in the following year racing a Lotus 31 and in 1966 switched to a Lotus 41 scoring his first victory, again at Goodwood.
Debutou na Fórmula 3 no ano seguinte competindo cun Lotus 31 e en 1966 cambiou a un Lotus 41 co que logrou a súa primeira vitoria, outra vez en Goodwood.