Race Win Ratio

Finishing position:

Pos	Sponsor	Race Win Ratio	Race Wins	Entries
1	NGK	23.53%	12	51
2	Olympus	22.22%	8	36
3	Girling	21.43%	6	28
4	Imperial Tobacco	20.00%	4	20
5	Arexons	16.67%	8	48
6	Schmitthelm	15.52%	9	58
6	SKF	15.52%	9	58
8	Autolite	14.93%	10	67
9	John Player Special	13.85%	27	195
10	Agip	13.38%	21	157
11	Michelin	13.33%	4	30
12	Magneti Marelli	12.75%	13	102
13	Ford	12.45%	32	257
14	Texaco	12.32%	25	203
15	Gold Leaf	10.68%	11	103
16	GKN	10.26%	8	78
17	Elan	9.68%	3	31
17	Stroh	9.68%	3	31
19	Dunlop	9.62%	10	104
20	Heuer	9.21%	29	315
21	Fiat	8.75%	7	80
22	Elf	8.47%	31	366
23	Valvoline	8.39%	12	143
24	Goodyear	6.85%	87	1270
25	Alfa Romeo	6.67%	2	30
25	Parmalat	6.67%	2	30
27	Firestone	6.31%	20	317
28	Shell	6.05%	19	314
29	Champion	5.41%	34	629
30	Koni	5.26%	6	114
	Norev	5.26%	1	19
	Polar	5.26%	1	19
33	Yardley	4.76%	7	147
34	Castrol	4.26%	2	47
35	Marlboro	4.01%	15	374
36	Ferodo	3.98%	7	176
37	Martini	3.07%	5	163
38	Duckhams	2.92%	4	137
39	Lockheed	2.63%	2	76
40	Gitanes	2.44%	1	41
41	Gulf	2.33%	1	43
42	First National City	2.11%	2	95
43	Fina	2.08%	7	336
44	Personal	1.98%	2	101
45	Beta	1.20%	1	83
46	Esso	1.06%	1	94
47	BP	1.01%	1	99

Finishing position: