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1970 Rand Spring Trophy
1970 Canadian GP
1969 United States GP

Engine Manufacturers

See also:

Drivers, Teams, Entrants, Car Models, Car Manufacturers, Tyre Manufacturers, Lubricant Manufacturers, Car Numbers, Sponsors, Sponsor Industries, Designers

Retirement Ratio

1970 Mexican GP
1971 United States GP

until 1970 United States GP

Ignore Indy 500 races
Include non-championship races

Finishing position:

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 ret dsq dpts cpts

Pos	Engine Manufacturer	Retirement Ratio	Retirements	Entries
1	Milano	100.00%	3	3
	Cummins	100.00%	2	2
	Bugatti	100.00%	1	1
	Jaguar	100.00%	1	1
	JAP	100.00%	1	1
	Kuchen	100.00%	1	1
	Simca	100.00%	1	1
8	ATS (Ita)	84.62%	11	13
9	Weslake	82.61%	19	23
10	Lancia	80.00%	8	10
11	Simca-Gordini	77.78%	14	18
12	Butterworth	75.00%	3	4
13	Vanwall	65.15%	43	66
14	Francis	61.76%	21	34
15	Veritas	61.54%	8	13
16	Gordini	60.36%	67	111
17	ERA	60.00%	6	10
	Novi	60.00%	6	10
	Scarab	60.00%	6	10
20	Alta	57.69%	45	78
21	Honda	56.52%	26	46
22	Aston Martin	54.55%	6	11
23	Offenhauser	53.28%	187	351
24	BMW	52.17%	12	23
25	Maserati	50.84%	272	535
26	Plate	50.00%	4	8
26	Speluzzi	50.00%	1	2
28	Talbot	49.38%	40	81
29	BRM	48.68%	276	567
30	Repco	45.57%	36	79
31	OSCA	43.75%	7	16
32	Ford	42.57%	189	444
33	Bristol	42.55%	20	47
34	Matra	40.54%	15	37
35	Castellotti	40.00%	2	5
36	Climax	39.44%	312	791
37	Alfa Romeo	36.23%	25	69
38	Ferrari	36.04%	204	566
39	Mercedes	35.90%	14	39
40	Porsche	18.99%	15	79

Finishing position:

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 ret dsq dpts cpts

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