| Chief Designer | Ray Stokoe |
| Rebadged From | Williams FW04 |
| Designed In | 1977 |
| Significance of Name | Brian McGuire, 1st design |
| Active Years | 1977 |
| Cars Entered | 1 |
| Races Contested | 1 |
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| Average Qualifying Position | Median: 35, Mean: 35.00 (Standard deviation: 0.00) |
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| Fastest Laps | 0 |
| Races Led | 0 |
| Debut | 1977 British GP |
| Last Race | 1977 British GP |
| Drivers' Championship | |
| Constructors' Championship | |
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