7th Place Finish Ratio

Finishing position:

Pos	Engine Manufacturer	7th Place Finish Ratio	7th Place Finishes	Entries
1	Playlife	11.22%	11	98
2	Porsche	10.99%	10	91
3	ERA	10.00%	1	10
4	Mugen-Honda	9.52%	28	294
5	Mecachrome	9.38%	3	32
6	Petronas	7.84%	24	306
7	Talbot	7.41%	6	81
8	Mercedes	6.39%	121	1894
9	BWT Mercedes	6.25%	2	32
10	Matra	6.08%	11	181
11	Vanwall	6.06%	4	66
12	BMW	5.98%	42	702
13	Toyota	5.66%	26	459
14	Simca-Gordini	5.56%	1	18
15	Maserati	5.42%	29	535
16	Gordini	5.41%	6	111
17	Megatron	5.32%	5	94
18	Climax	5.31%	42	791
19	TAG	4.44%	6	135
20	Renault	4.31%	103	2391
21	Bristol	4.26%	2	47
22	Yamaha	4.23%	11	260
23	Honda	3.84%	43	1120
24	BRM	3.66%	28	764
25	Ford	3.50%	224	6395
26	Peugeot	3.48%	8	230
27	Offenhauser	3.42%	12	351
28	TAG-Heuer	3.23%	4	124
29	Lamborghini	3.12%	8	256
29	Ilmor	3.12%	5	160
31	Supertec	3.06%	3	98
32	Judd	2.98%	12	403
33	Ferrari	2.97%	98	3305
34	Asiatech	2.94%	2	68
34	Francis	2.94%	1	34
36	Zakspeed	2.88%	3	104
37	Alfa Romeo	2.76%	14	508
38	Cosworth	2.67%	23	862
39	Hart	2.11%	8	380
40	Arrows	1.56%	1	64
41	Alta	1.28%	1	78

Finishing position: