 Complete the following phrase:   Carini finished third in the 1950 Modena Grand Prix, run that year to Formula Two rules, driving an OSCA. However, the car proved unreliable in 1951 but he achieved enough to be invited to join Scuderia Marzotto for 1952, to drive their Ferrari sports and Grand Prix cars. Despite only competing in two Grands Prix debuting on 6 July 1952 and retiring from both, Carini did well enough to be signed by the works Ferrari team for 1953, effectively as a junior driver alongside Umberto Maglioli. However he only competed in the 