EntrantsGridGrand Prix
| Pos | Nr | Driver | Car | Engine | Tyre | Time | Laps |
|---|---|---|---|---|---|---|---|
| 1 | 14 |  Óscar Alfredo Gálvez |
 Alfa Romeo Tipo 308 [50017] |
Alfa Romeo L8C 3.8 | - | 01:49.000 | 0 |
| 2 | 11 | Juan Manuel Fangio |
 Simca Gordini T11 [4GC] |
Simca L4 1.2 | - | 01:49.200 | 0 |
| 3 | 17 | Luigi Villoresi |
Maserati 4CL [1586] |
Maserati 4CL L4C 1.5 | - | 01:50.100 | 0 |
| 4 | 16 | Giuseppe Farina |
Maserati 6CM [1563] |
Maserati 6CM L6C 1.5 | - | 01:50.400 | 0 |
| 5 | 3 | Jean-Pierre Wimille |
Simca Gordini T15 [7GC] |
Gordini T15 L4 1.4 | - | 01:50.700 | 0 |
| 6 | 12 |  Chico Landi |
Alfa Romeo Tipo 308 [50016] |
Alfa Romeo L8C 3.0 | - | 01:53.300 | 0 |
| 7 | 10 | Ítalo Bizio |
Maserati 4CL [1591] |
Maserati 4CL L4C 1.5 | - | 01:54.000 | 0 |
| 8 | 18 | Victorio Rosa |
Maserati 6CM [1562] |
Maserati 6CM L6C 1.5 | - | 01:54.700 | 0 |
| 9 | 6 | Pedro Llano |
Maserati 6CM |
Maserati 6CM L6C 1.5 | - | 01:56.300 | 0 |
| 10 | 15 | Achille Varzi |
Alfa Romeo 12C-37 [51204] |
Alfa Romeo 12C L12C 4.5 | - | 02:00.100 | 0 |
| 11 | 5 |  Eitel Cantoni |
Maserati 4CM [1559] |
Maserati 4CM L4C 1.5 | - | 02:00.500 | 0 |
| 12 | 1 | Andrés Fernandez |
Maserati 6CM |
Maserati 6CM L6C 1.5 | - | 02:04.600 | 0 |
| Official Name | II Copa de Acción San Lorenzo |
|---|---|
| Circuit | Parque Independencia |
| Date | February 1 |
| Pole | Óscar Alfredo Gálvez 01:49.000 |
| Fastest Lap | Juan Manuel Fangio 01:48.300 |
| Podium | 1st Jean-Pierre Wimille (30) , 2nd Chico Landi, 3rd Luigi Villoresi |
| Prev race | Gran Premio General San Martín January 25 |
| Next race | Gran Premio Eva Perón February 14 |
| P | N | Driver | Team | Car | Engine | Tyre | Time | Laps | FL | Led | Gr | Pts |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Jean-Pierre Wimille |
Equipe SIMCA-Gordini | Simca Gordini T15 [7GC] |
Gordini T15 L4 1.4 | - | 01:32:27.300 | 50 |
30 |
5 |
0 |
|
| 2 | 12 | Chico Landi |
Francisco Landi | Alfa Romeo Tipo 308 [50016] |
Alfa Romeo L8C 3.0 | - | 01:34:17.100 | 50 |
0 |
6 |
0 |
|
| 3 | 17 | Luigi Villoresi |
Scuderia Ambrosiana | Maserati 4CL [1586] |
Maserati 4CL L4C 1.5 | - | +2 laps | 48 |
0 |
3 |
0 |
|
| 4 | 6 | Pedro Llano |
P. Llano | Maserati 6CM |
Maserati 6CM L6C 1.5 | - | +2 laps | 48 |
0 |
9 |
0 |
|
| 5 | 5 | Eitel Cantoni |
E. Cantoni | Maserati 4CM [1559] |
Maserati 4CM L4C 1.5 | - | +4 laps | 46 |
0 |
11 |
0 |
|
| 6 | 10 | Ítalo Bizio |
Automovil Club Argentino | Maserati 4CL [1591] |
Maserati 4CL L4C 1.5 | - | +4 laps | 46 |
0 |
7 |
0 |
|
| 7 | 1 | Andrés Fernandez |
A. Fernandez | Maserati 6CM |
Maserati 6CM L6C 1.5 | - | +4 laps | 46 |
0 |
12 |
0 |
|
| 8 | 11 | Juan Manuel Fangio |
Equipe SIMCA-Gordini | Simca Gordini T11 [4GC] |
Simca L4 1.2 | - | Cylinder head gasket | 41 |
01:48.300 |
5 |
2 |
0 |
| DNF | 14 | Óscar Alfredo Gálvez |
O. Gálvez | Alfa Romeo Tipo 308 [50017] |
Alfa Romeo L8C 3.8 | - | Rear axle | 25 |
15 |
1 |
0 |
|
| DNF | 18 | Victorio Rosa |
V. Rosa | Maserati 6CM [1562] |
Maserati 6CM L6C 1.5 | - | Withdrawn | 20 |
0 |
8 |
0 |
|
| DNF | 16 | Giuseppe Farina |
Scuderia Milan | Maserati 6CM [1563] |
Maserati 6CM L6C 1.5 | - | Brakes | 5 |
0 |
4 |
0 |
|
| DNF | 15 | Achille Varzi |
Ecurie Naphtra Course | Alfa Romeo 12C-37 [51204] |
Alfa Romeo 12C L12C 4.5 | - | Withdrawn | 0 |
0 |
10 |
0 |
|
| DNA | 4 | Fortunati Firpo |
Scuderia Milan | Maserati 4CL [1581] |
Maserati 4CL L4C 1.5 | - | DNA | 0 |
0 |
0 |
||
| DNA | 20 | Pablo Pessatti |
P. Pesatti | Alfa Romeo 8C-35 [50014] |
Alfa Romeo L8C 3.8 | - | DNA | 0 |
0 |
0 |
||
| DNA | 7 | Pascual Puópolo |
San Isidoro | Maserati 8CL [3034] |
Maserati 8CL L8C 3.0 | - | DNA | 0 |
0 |
0 |
||
| DNA | 8 | Raph (Georges Raphaël) |
Ecurie Naphtra Course | Alfa Romeo Tipo 308 |
Alfa Romeo L8C 3.0 | - | DNA | 0 |
0 |
0 |
||
| DNA | 22 | Count Gabriele Besana |
Conte S. Besana | Ferrari 166SC [002C] |
Ferrari 166SC V12 2.0 | - | DNA | 0 |
0 |
0 |
||
| T | 15 | Achille Varzi |
Ecurie Naphtra Course | Alfa Romeo Tipo 308 |
Alfa Romeo L8C 3.0 | - | Practice | 0 |
0 |
0 |