Race Win Ratio

until 1975 Monaco 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	Sponsor	Race Win Ratio	Race Wins	Entries
1	Girling	21.43%	6	28
2	Arexons	18.18%	2	11
3	Texaco	17.71%	17	96
4	Autolite	14.93%	10	67
5	John Player Special	14.14%	14	99
6	Ford	12.36%	32	259
7	Schmitthelm	12.20%	5	41
7	SKF	12.20%	5	41
9	Elf	11.51%	29	252
10	Magneti Marelli	10.59%	9	85
11	Gold Leaf	10.38%	11	106
12	Koni	10.00%	3	30
13	GKN	9.88%	8	81
14	Dunlop	9.71%	10	103
15	Elan	9.68%	3	31
15	Stroh	9.68%	3	31
17	Agip	8.33%	5	60
18	Goodyear	8.20%	47	573
19	Shell	7.33%	20	273
20	Heuer	6.77%	13	192
21	Firestone	6.58%	21	319
22	Champion	6.17%	23	373
23	Valvoline	5.00%	1	20
24	Yardley	4.70%	7	149
25	Martini	4.65%	4	86
26	Duckhams	4.48%	3	67
27	Lockheed	3.85%	3	78
28	Marlboro	3.37%	7	208
29	Fiat	3.33%	1	30
30	Fina	3.12%	4	128
31	Gulf	2.27%	1	44
32	Ferodo	2.05%	3	146
33	UOP	1.47%	1	68
34	Esso	1.06%	1	94
35	BP	1.00%	1	100

Finishing position: