Race Win Ratio

until 1977 Canadian GP

Ignore Indy 500 races
Ignore non-championship races
Note: records involving non-championship races may be inaccurate due to incomplete data.

Finishing position:

Pos	Team	Race Win Ratio	Race Wins	Entries
1	Ken-Paul Inc	100.00%	1	1
2	BSG Motor	50.00%	2	4
	George Salih	50.00%	2	4
	John Riseley-Prichard	50.00%	2	4
	Kurtis Kraft Inc	50.00%	1	2
6	Howard Keck Co	40.00%	2	5
7	FISA / Scuderia Sant'Ambroeus	33.33%	1	3
8	Melchester Racing	26.32%	5	19
8	Scuderia Ambrosiana	26.32%	5	19
10	Leader Cards Inc	25.00%	1	4
11	Mercedes-Benz	23.81%	10	42
12	Alfa Romeo	22.00%	11	50
13	Moss	20.00%	4	20
	Emilio de Villota	20.00%	3	15
	John Young	20.00%	1	5
	World Wide Racing/Garvey Team Lotus	20.00%	1	5
17	John Zink	16.67%	2	12
17	John Coombs	16.67%	1	6
19	Vanwall	16.05%	13	81
20	Gilby Engineering	13.51%	5	37
21	ADAC	12.50%	1	8
21	Murrell Belanger	12.50%	1	8
23	Lotus	11.70%	66	564
24	Ferrari	11.48%	89	775
25	Scuderia Lancia	11.11%	2	18
	Emmanuel de Graffenried	11.11%	1	9
	EMW	11.11%	1	9
28	J C Agajanian	10.00%	1	10
29	Tyrrell	9.51%	31	326
30	Maserati	8.41%	18	214
31	Bira	6.67%	1	15
31	Leslie Marr	6.67%	1	15
33	McLaren	6.43%	24	373
34	Cooper	6.35%	16	252
35	R.R.C. Walker Racing Team	5.99%	10	167
36	RAM	5.26%	2	38
37	Ligier	5.19%	4	77
38	Gould's Garage	5.00%	2	40
39	Wolf	4.76%	3	63
40	Theodore	4.55%	1	22
41	Honda	4.44%	2	45
42	Brabham	4.42%	20	453
43	John Goldie Racing	4.17%	1	24
44	BRM	3.50%	18	514
45	Bob Gerard	3.33%	1	30
46	Connaught Engineering	3.12%	2	64
47	Penske	3.03%	1	33
48	Eagle	2.86%	1	35
48	Renault	2.86%	1	35
50	Porsche	2.50%	1	40
51	Equipe Gordini	1.66%	3	181
52	Ecurie Rosier	1.16%	1	86
53	Shadow	0.98%	2	204
54	Hesketh	0.97%	1	103
55	March	0.81%	2	248

Finishing position: