The car that took 4th place in the 1972 24 hours race at Le Mans, the Alfa Romeo Tipo 33 TT 3, race number 18 driven by de Adamich and Vaccarella and car number 19, the Alfa Romeo Tipo 33 TT 3 driven by Stommelen and Galli that did not fiinish. The third car entered by Autodelta in the 1972 edition of the 24 hours of Le Mans, car number 17 driven by Elford and Marko, retired with clutch problems after 232 laps.

17			Vic Elford
17			Helmut Marko
18			Andrea de Adamich
18			Nino Vaccarella
19			Rolf Stommelen
19			Nanni Galli

More info on the Alfa Tipo 33

Alfa Romeo at Le Mans (Le Mans 1972)