PORSCHE RACING HISTORYClif Kearns (USA)
1978 : Daytona 250 Miles Paul Revere - 2nd overall : Mid Ohio 250 Miles - 3rd overall
18 March 1978 - Sebring 12 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 28 | Porsche 935 | 930 770 0960 | GTX | Clif Kearns (USA)/Marty Hinze (USA)/Stephen Behr (USA) | Desperado Racing (USA) | 49th | 12th | 7th | 79 laps |
2 April 1978 - Talladega 6 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 28 | Porsche 935 | 930 770 0960 | GTX | Clif Kearns (USA)/Milt Minter (USA) | Desperado Racing (USA) | 33rd | 13th | 11th | 50 laps - DNF |
16 April 1978 - Road Atlanta 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 28 | Porsche 935 | 930 770 0960 | GTX | Clif Kearns (USA) | Desperado Racing Inc. (USA) | 30th | 19th | 22nd | 21 laps - DNF |
30 April 1978 - Laguna Seca 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 28 | Porsche 911 Carrera RSR | GTO | Clif Kearns (USA) | Desperado Racing (USA) | 20th | 8th | 25th | 46 laps |
29 May 1978 - Lime Rock 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 28 | Porsche 935 | 930 770 0960 | GTX | Clif Kearns (USA) | Desperado Racing Inc. (USA) | 8th | 8th | 17th | 61 laps |
18 June 1978 - Brainerd 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 28 | Porsche 935 | 930 770 0960 | GTX | Clif Kearns (USA) | Desperado Racing Inc. (USA) | 6th | 6th | 8th | 32 laps |
4 July 1978 - Daytona 250 Miles Paul Revere - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 28 | Porsche 935 | 930 770 0960 | GTX | Clif Kearns (USA)/Milt Minter (USA) | Desperado Racing Inc. (USA) | 2nd | 2nd | 6th | 65 laps |
30 July 1978 - Sears Point 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 28 | Porsche 935 | 930 770 0960 | GTX | Clif Kearns (USA) | Desperado Racing (USA) | 8th | 7th | 15th | 38 laps |
6 August 1978 - Portland 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 28 | Porsche 935 | 930 770 0960 | GTX | Clif Kearns (USA) | Desperado Racing (USA) | 5th | 5th | 10th | 49 laps |
27 August 1978 - Mid Ohio 250 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 28 | Porsche 935 | 930 770 0960 | GTX | Clif Kearns (USA)/Milt Minter (USA) | Desperado Racing (USA) | 3rd | 3rd | 4th | 103 laps |
4 September 1978 - Road Atlanta 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 28 | Porsche 935 | 930 770 0960 | GTX | Clif Kearns (USA) | Desperado Racing (USA) | 26th | 15th | 12th | 18 laps - DNF |
26 November 1978 - Daytona Finale 250 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 28 | Porsche 935 | 930 770 0960 | GTX | Clif Kearns (USA)/Milt Minter (USA) | Desperado Racing (USA) | 16th | 10th | 6th | 58 laps - DNF |