PORSCHE RACING HISTORYChassis No. JLP-4
Of the four JLP Racing Porsche 935 ‘Specials’, it’s the final car, chassis JLP-4, which was by far and away the most extreme. The brief for JLP-4 was simple: to build a car which effectively harnessed the then-dark art of aerodynamic ground effect and could therefore match the pace of the newly introduced IMSA GTP prototypes. In short, JLP Racing wanted to win the 1982 championship outright. 1982 - JPL Racing 1983 - Given to John Paul Sr.’s lawyer in lieu of payments 1983 - Petersen Museum in Los Angeles (for over 15 years) 1998 - Robert Tornello ? - Italy 2017 - ? 2022 - Offered for sale by Girardo & Co
11 July 1982 - Brainerd 200 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 18 | Porsche 935 JLP-4 | JLP-4 | GTP | John Paul, Jr. (USA) | John Paul (USA) | 1st | 1st | 2nd | 42 laps |
1 August 1982 - Portland 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 18 | Porsche 935 JLP-4 | JLP-4 | GTP | John Paul, Jr. (USA) | John Paul, Jr. (USA) | 1st | 1st | 1st | 53 laps |
22 August 1982 - Road America 500 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 18 | Porsche 935 JLP-4 | JLP-4 | GTP | John Paul Sr. (USA)/Hurley Haywood (USA) | JLP Racing (USA) | 9th | 9th | 2nd | 113 laps |
28 November 1982 - Daytona Finale 3 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 1 | Porsche 935 JLP-4 | JLP-4 | GTP | John Paul, Jr. (USA)/John Paul Sr. (USA) | JLP Racing (USA) | 51st | 12th | 3rd | 36 laps - Transmission |
6 February 1983 - Daytona 24 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 8 | Porsche 935 JLP-4 | JLP-4 | GTP | John Paul Sr. (USA) | JLP Racing (USA) | 76th | 18th | 41st | 15 laps - Withdrawn |
10 April 1983 - Road Atlanta 500 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 1 | Porsche 935 JLP-4 | JLP-4 | GTP | John Paul, Jr. (USA)/Rene Rodriguez (USA) | JLP Racing (USA) | 6th | 6th | 6th | 119 laps |