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See also: | Drivers, Teams, Entrants, Car Models, Car Manufacturers, Engine Manufacturers, Tyre Manufacturers, Car Numbers, Sponsors, Sponsor Industries, Designers |
13th Place Finish Ratio
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until 1966 South African GP
Ignore Indy 500 races
Include non-championship races
Pos | Lubricant Manufacturer | 13th Place Finish Ratio | 13th Place Finishes | Entries |
1 | BP | 7.89% | 3 | 38 |
2 | Esso | 1.23% | 1 | 81 |
3 | Shell | 0.19% | 1 | 529 |
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