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See also: | Drivers, Teams, Entrants, Car Models, Car Manufacturers, Engine Manufacturers, Tyre Manufacturers, Car Numbers, Sponsors, Sponsor Industries, Designers |
Race Win Ratio
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until 1958 Indianapolis 500
Ignore Indy 500 races
Include non-championship races
Pos | Lubricant Manufacturer | Race Win Ratio | Race Wins | Entries |
1 | Esso | 33.33% | 1 | 3 |
2 | Shell | 13.81% | 37 | 268 |
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