1973 / Non-Championship - Sports
Apr
1
II 4 heures de Le Mans
Circuit de la Sarthe
Jul
1
XX Circuito Internacional de Vila Real
Circuito Internacional de Vila Real
Jul
7
IV Grande Prémio do A.C.P.
Autódromo do Estoril
Sep
16
II Autosprint 500
Autodromo Dino Ferrari
Oct
21
1973 Troféu Autodromo do Estoril
Autódromo do Estoril
Nov
3
1973 American Road Race of Champions (Class AP)
Road Atlanta Motorsports Center
Nov
3
1973 American Road Race of Champions (Class BSR)
Road Atlanta Motorsports Center