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See also: | Drivers, Teams, Entrants, Car Models, Car Manufacturers, Engine Manufacturers, Tyre Manufacturers, Car Numbers, Sponsors, Sponsor Industries, Designers |
20th Place Finish Ratio
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until 1991 Australian GP
Ignore Indy 500 races
Include non-championship races
Pos | Lubricant Manufacturer | 20th Place Finish Ratio | 20th Place Finishes | Entries |
1 | BP | 0.16% | 1 | 611 |
2 | Shell | 0.06% | 1 | 1742 |
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