PORSCHE RACING HISTORYSteve Earle (USA)
1978
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 |
2 April 1978 - Talladega 6 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) | Earle & Akin Racing Associates (USA) | 5th | 4th | 19th | 159 laps |
11 June 1978 - Le Mans 24 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 91 | Porsche 935/77A | 930 890 0033 | IMSA+2.5 | Bob Garretson (USA)/Bob Akin (USA)/Steve Earle (USA) | Dick Barbour Racing (USA) | DNF | 31st | 159 laps - Accident |
30 July 1978 - Sears Point 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 32 | Porsche 911 Carrera RSR | 911 460 9048 | GTX | Steve Earle (USA) | Earle Akin Racing Associates (USA) | 24th | 13th | 12th | 9 laps - DNF |