 Complete the following phrase:  The pairing of Prost and Arnoux having become unsustainable, Arnoux left Renault at the end of 1982 to join Ferrari in , joining another French driver Patrick Tambay. Prior to the Canadian Grand Prix, there were rumours that Arnouxs place at Ferrari was under threat. However, with three victories, at the Canadian, German, and Dutch Grands Prix, he was in contention for the world title until the final race of the season, the South African Grand Prix. He retired from that race with engine failure, and finished the season third, behind Nelson Piquet and Prost. Both Arnoux and Tambay became favourites with the Tifosi for their hard-charging styles, and their results saw Ferrari win the Constructors Championship. Arnouxs win at 