Fiat-Abarth (1.0) - - 1963 International GT Prototypes Trophy Ferrari - - 1964 International Championship for GT Manufacturers Ferrari (+2.0) Porsche (2.0) Abarth-Simca (1.0) - - 1964 International GT Prototypes Trophy Porsche - - 1965 International Championship for GT Manufacturers Shelby (+2.0) Porsche (2.0) Abarth-Simca (1.3) - - 1965 International GT Prototypes Trophy Ferrari - - 1966 International Championship for Sports-Prototypes Ford (+2.0) Porsche (2.0) - - 1966 International Championship for Sports Cars Ford (+2.0) Porsche (2.0) Abarth (1.3) - - 1967 International Championship for Sports-Prototypes Ferrari (+2.0) Porsche (2.0) - - 1967 International Championship for Sports Cars Ford (+2.0) Porsche (2.0) Abarth (1.3) - - 1968 International Championship for MakesInternational Cup for GT Cars Ford Porsche - - 1969 International Championship for MakesInternational Cup for GT Cars Porsche Porsche - - 1970 International Championship for MakesInternational Cup for GT Cars Porsche Porsche - - 1971 International Championship for MakesInternational Cup for GT Cars Porsche Porsche - - 1972 World Championship for MakesInternational Cup for GT Cars Ferrari Porsche - - 1973 World Championship for MakesInternational Cup for GT Cars Matra Porsche - - 1974 World Championship for MakesInternational Cup for GT Cars Matra Porsche - -