teabagyokel,
Incubus Indeed it is 8, a chap on STATSF1 made this list on request, although it never made it onto the main site I still have it saved.
1950 British GP - Alfa Romeo
Farina - Fagioli - Parnell
1952 Indianapolis 500 - Kurtis Kraft
Ruttman - Rathman - Hanks
1952 French GP - Ferrari
Ascari - Farina - Taruffi
1952 German GP - Ferrari (4)
Ascari - Farina - Fischer - (Taruffi)
1952 Dutch GP - Ferrari
Ascari - Farina - Villoresi
1953 Swiss GP - Ferrari
Ascari - Farina - Hawthorn
1955 Indianapolis 500 - Kurtis Kraft
Bob Sweikert - Tony Bettenhausen & Paul Russo - Jimmy Davies
1955 British GP - Mercedes-Benz (4)
Moss - Fangio - Kling - (Taruffi)
1957 Argentine GP - Maserati (4)
Fangio - Behra - Menditeguy - (Schell)
1959 German GP - Ferrari
Brooks - Gurney - Hill
1960 Belgian GP - Cooper
Brabham - McLaren - Gendebien
1960 French GP - Cooper
Brabham - Gendebien - McLaren
1960 Italian GP - Ferrari
Hill - Ginther - Mairesse
1961 Belgian GP - Ferrari
Hill - Von Trips - Ginther
1961 British GP - Ferrari
Von Trips - Hill - Ginther