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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 1967 Canadian GP
Ignore Indy 500 races
Include non-championship races
Pos | Lubricant Manufacturer | 13th Place Finish Ratio | 13th Place Finishes | Entries |
1 | BP | 4.41% | 3 | 68 |
2 | Esso | 0.87% | 1 | 115 |
3 | Shell | 0.17% | 1 | 578 |
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