1963 - 11th Mexican GP (Scuderia Centro Sud - BRM) 1964 - 10th Mexican GP (Lotus) 1965 - 12th US GP, ret Mexican GP (Lotus) 1966 - ret Mexican GP (Cooper) 1967 - ret US & Mexican GPs (Lotus) 1968 - ret Mexican GP (Lotus) 1969 - Killed competing in Valle de Bravo hill climb. lost control of McLaren, crashed into bridge and caught fire