Disqualification Ratio

until 1973 United States 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	Designer	Disqualification Ratio	Disqualifications	Entries
1	Bindo Maserati	6.90%	2	29
1	Ettore Maserati	6.90%	2	29
3	Dave Wass	2.44%	1	41
4	Geoff Ferris	1.92%	3	156
5	Peter Berthon	1.56%	1	64
6	Eddie Strait	1.25%	1	80
7	Len Terry	1.06%	2	189
8	Frank Costin	1.04%	1	96
9	Shahab Ahmed	0.99%	1	101
10	Peter Connew	0.96%	1	104
11	Ron Tauranac	0.94%	6	639
12	Aurelio Lampredi	0.91%	4	441
13	Dante Giacosa	0.88%	1	113
14	Maurice Philippe	0.82%	3	364
15	Tony Southgate	0.79%	2	254
16	Robin Herd	0.74%	3	405
17	John Surtees	0.72%	1	139
18	Ernesto Maserati	0.68%	2	294
19	Alberto Massimino	0.65%	1	153
20	Colin Chapman	0.62%	9	1452
21	Am�d�e Gordini	0.52%	2	386
22	Mauro Forghieri	0.37%	1	268
23	Vittorio Bellentani	0.32%	2	621
24	Owen Maddock	0.18%	2	1106
25	Gioacchino Colombo	0.14%	1	726

Finishing position: