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| GP Spain | XVII Grand Premio de España, Campeonato del Mundo Formula 1 | 18.4.1971 |
| 15 |  |
| Open wheel car |
| Driven by: Jo Siffert (CH) | Result: did not finish (Gear linkage) Grid: 10th (1:27.300) |
| Colours: white (+brown/red) |
| Tyres: Firestone |
| Photo updated: 13/07/2012 | Photo by courtesy of: J. B. Weilepp |