PORSCHE RACING HISTORYPorsche 934 - Chassis No. 930 670 0175
21 March 1976 - Mugello 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 18 | Porsche 934 | 930 670 0175 | GT | Tim Schenken (AUS)/Rolf Stommelen (D) | Gelo Racing (D) | 6th | 2nd | 6th | 155 laps |
4 April 1976 - Nürburgring 300 km - World Sports Car Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 51 | Porsche 934 | 930 670 0175 | GT+3.0 | Toine Hezemans (NL) | Tebernum-Racing-Team Georg Loos KG (D) | 2nd | 1st | 8th | 11 laps |
2 May 1976 - DRM Nürburgring Eifelrennen - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 3 | Porsche 934 | 930 670 0175 | Div.I | Toine Hezemans (NL) | Tebernum-Racing-Team Georg Loos KG (D) | 4th | 4th | 2nd | 8 laps |
23 May 1976 - DRM Mainz-Finthen - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 5 | Porsche 934 | 930 670 0175 | Div.I | Tim Schenken (AUS) | Tebernum Racing Georg Loos KG (D) | 2nd | 2nd | 2nd | 50 laps |
30 May 1976 - Nürburgring 1000 km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 6 | Porsche 934 | 930 670 0175 | Gr.5+3.0 | Toine Hezemans (NL)/Tim Schenken (AUS) | Gelo Racing Team (D) | 2nd | 2nd | 4th | 47 laps |
13 June 1976 - Le Mans 24 Hours - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 57 | Porsche 934 | 930 670 0175 | GP.4 | Tim Schenken (AUS)/Toine Hezemans (NL) | Gelo Racing Team (D) | 16th | 2nd | 15th | 277 laps |
20 June 1976 - DRM Hockenheim Rhein-Pokal - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 7 | Porsche 934 | 930 670 0175 | Div.I | Toine Hezemans (NL) | Tebernum Racing Team (D) | 1st | 1st | 1st | 15 laps |
12 September 1976 - DRM Nürburgring Supersprint - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 1 | Porsche 934 | 930 670 0175 | Div.I | Toine Hezemans (NL) | Tebernum-Racing-Team Georg Loos KG (D) | DNF | 4th | 19 laps |
31 October 1976 - Euro GT Hockenheim - European Championship for Grand Touring Cars
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 1 | Porsche 934 | 930 670 0175 | GT+3.0 | Toine Hezemans (NL) | Tebernum Racing Georg Loos KG (D) | 2nd | 1st | 4th | 30 laps |
6 February 1977 - Daytona 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 61 | Porsche 934 | 930 670 0175 | GTO | Peter Gregg (USA)/Jim Busby (USA) | Brumos Racing (USA) | 10th | 5th | 7th | 590 laps (Wrong #?) |
19 March 1977 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 09 | Porsche 934 | 930 670 0175 | GTO | John Gunn (USA)/Gary Belcher (USA) | Belcher Racing (USA) | 4th | 4th | 4th | 228 laps |
17 April 1977 - Road Atlanta 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 09 | Porsche 934 | 930 670 0175 | GTO | Gary Belcher (USA) | Belcher Racing (USA) | 27th | 17th | 11th | 24 laps - DNF |
1 May 1977 - Laguna Seca 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 09 | Porsche 934 | 930 670 0175 | GTO | Gary Belcher (USA) | Belcher Racing (USA) | 40th | 26th | 13th | 1 lap - DNF |
15 May 1977 - Mid-America 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 09 | Porsche 934 | 930 670 0175 | GTO | Gary Belcher (USA) | Belcher Racing (USA) | 5th | 5th | 7th | 34 laps |
5 February 1978 - Daytona 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 09 | Porsche 934 | 930 670 0175 | GTX | Gary Belcher (USA)/Doc Bundy (USA)/Al Holbert (USA) | Belcher Racing (USA) | 6th | 4th | 12th | 632 laps |
18 March 1978 - Sebring 12 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 09 | Porsche 934 | 930 670 0175 | GTX | Gary Belcher (USA)/Doc Bundy (USA) | Belcher Racing (USA) | 40th | 8th | 74th | 115 laps - Mechanical |
5 November 1978 - Trans-Am Mexico - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 9A | Porsche 934 | 930 670 0175 | TA-II | Gary Belcher (USA) | DNS | 7th |
26 November 1978 - Daytona Finale 250 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 09 | Porsche 934 | 930 670 0175 | GTX | Gary Belcher (USA) | Belcher Racing (USA) | 46th | 16th | 23rd | 23 laps - Accident |
17 March 1979 - Sebring 12 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 97 | Porsche 935 | 930 670 0175 | GTX | Ricardo Londono (CO)/George Garces/John Gunn (USA) | Ricardo Londono (CO) | 50th | 15th | 10th | 77 laps - DNF |
25 November 1979 - Daytona Finale 250 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 92 | Porsche 935 | 930 670 0175 | GTX | Ricardo Londono (CO) | Ricardo Londono (CO) | 18th | 7th | 12th | 42 laps - DNF |