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See also: | Drivers, Teams, Entrants, Car Models, Car Manufacturers, Tyre Manufacturers, Lubricant Manufacturers, Car Numbers, Sponsors, Sponsor Industries, Designers |
21st Place Finish Ratio
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until 1950 ACF GP
Ignore Indy 500 races
Ignore non-championship races
Note: records involving non-championship races may be inaccurate due to incomplete data.
Pos | Engine Manufacturer | 21st Place Finish Ratio | 21st Place Finishes | Entries |
1 | RRA | 50.00% | 1 | 2 |
2 | Offenhauser | 3.12% | 1 | 32 |
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