 He made his debut in the Avellaneda Automobile Club 1000-Mile race on 14 February 1941 and finished second to Juan Manuel Fangio.His first win came on 22 February 1949 at the I Vuelta de Santa Fe.He won the Turismo Carretera championship nine times, in 1949, 1950, 1951, 1952, 1955, 1956, 1957, 1958 and 1961.