PORSCHE RACING HISTORYRick Knoop (USA)
1978 : Le Mans 24 Hours - 1st in class
5 February 1978 - Daytona 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 32 | Porsche 911 Carrera RSR | 911 460 9048 | GTX | Steve Earle (USA)/Bob Akin (USA)/Rick Knoop (USA) | Earle & Akin Racing Associates (USA) | 7th | 5th | 18th | 632 laps |
18 March 1978 - Sebring 12 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 32 | Porsche 911 Carrera RSR | 911 460 9048 | GTX | Steve Earle (USA)/Bob Akin (USA)/Rick Knoop (USA) | Earle & Akin Racing (USA) | 5th | 4th | 16th | 225 laps |
11 June 1978 - Le Mans 24 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 44 | Porsche 935/77A | 930 890 0012 | Gr5+2.0 | Jim Busby (USA)/Rick Knoop (USA)/Chris Cord (USA) | Porsche Kremer Racing (D) | 6th | 1st | 14th | 337 laps |
27 August 1978 - Mid Ohio 250 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 55 | Porsche 911 Carrera RSR | 911 560 9121 | GTO | Howard Meister (USA)/Rick Knoop (USA) | 11th | 4th | 11th | 97 laps |