John Watson |
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| Kører info | Teams | Grand Prix | |
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| Dato | Grand Prix | Team | Placering | Pt. | ||
| Q | R | Rv | ||||
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| 15/01/78 | Argentinas | Brabham | 4 | |||
| 29/01/78 | Brasiliens | Brabham | 21 | 8 | ||
| 04/03/78 | Syd Afrikas | Brabham | 10 | 3 | 4 | |
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| 02/04/78 | USA - West | Brabham | 5 | |||
| 07/05/78 | Monacos | Brabham | 2 | 4 | 3 | |
| 21/05/78 | Belgiens | Brabham | 9 | |||
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| 04/06/78 | Spaniens | Brabham | 7 | 5 | 2 | |
| 18/06/78 | Sveriges | Brabham | 2 | |||
| 02/07/78 | Frankrigs | Brabham | 1 | 4 | 3 | |
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| 13/07/78 | Englands | Brabham | 9 | 3 | 4 | |
| 30/07/78 | Tysklands | Brabham | 5 | 7 | ||
| 13/08/78 | Østrigs | Brabham | 10 | 7 | ||
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| 27/08/78 | Hollands | Brabham | 8 | 4 | 3 | |
| 10/09/78 | Italiens | Brabham | 7 | 2 | 6 | |
| 01/10/78 | USA's | Brabham | 7 | |||
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| 08/10/78 | Canadas | Brabham | 4 | |||
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