PORSCHE RACING HISTORYPorsche 356 B - Chassis No. 356-122 991
One of only two Porsche 356 B Carrera GS/GT ‘Dreikantschaber’ to be made by Porsche as it was only intended as an interim model.
5 May 1963 - Targa Florio - World Sports Car Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 80 | Porsche 356 B Carrera 2000 GS/GT | 356-122 991 | GT2.0 | Edgar Barth (DDR)/Herbert Linge (D) | Porsche KG (D) | 3rd | 1st | 10 laps |
19 May 1963 - Nürburgring 1000 km - World Sports Car Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 31 | Porsche 356 B Carrera 2000 GS/GT | 356-122 991 | GT2.0 | Hans Walter (D)/Ben Pon (NL) | Porsche System Engineering (D) | 4th | 1st | 12th | 43 laps |
16 June 1963 - Le Mans 24 Hours - World Sports Car Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 30 | Porsche 356 B Carrera 2000 GS/GT | 356-122 991 | GT2.0 | Heinz Schiller (CH)/Ben Pon (NL) | Porsche System Engineering Ltd. (D) | DNF | 26th | 115 laps - Engine |
7 July 1963 - Trophée d'Auvergne - World Sports Car Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 31 | Porsche 356 B Carrera 2000 GS/GT | 356-122 991 | GT2.0 | Edgar Barth (DDR) | Porsche System Engineering (D) | 6th | 1st | 11th | 44 laps |
28 July 1963 - DARM GT Solitude - Grand Touring 2500 cc - Deutsche Rundstrecken-Meisterschaft für Grand-Tourisme-Fahrzeuge
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| Porsche 356 B Carrera 2000 GS/GT | 356-122 991 | GT2.5 | Jo Bonnier (S) | 1st | 1st | 10 laps |
16 February 1964 - Daytona 2000 Kilometres - World Sports Car Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 51 | Porsche 356 B Carrera 2000 GT/GS | 356-122 991 | GT2.0 | Jo Bonnier (S)/Don Wester (USA)/Edgar Barth (DDR) | Porsche System Engineering (D) | 8th | 2nd | 15th | 303 laps |
21 March 1964 - Sebring 12 Hours - World Sports Car Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 42 | Porsche 356 B Carrera 2000 GT/GS | 356-122 991 | GT2.0 | Don Wester (USA)/Bruce Jennings (USA) | Porsche System Engineering (D) | 19th | 35th |
26 April 1964 - Targa Florio - World Sports Car Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 74 | Porsche 356B Carrera 2000 GS/GT | 356-122 991 | GT2.0 | Günther Klass (D)/Jochen Neerpasch (D) | Porsche System Engineering (D) | 7th | 3rd | 10 laps |
31 May 1964 - Nürburgring 1000 km - World Sports Car Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 36 | Porsche 356B Carrera 2000 GS/GT | 356-122 991 | GT1.6 | Günther Klass (D)/Sepp Greger (D) | Günther Klass (D) | 15th | 3rd | 29th | 41 laps |