PORSCHE RACING HISTORYHoward Meister (USA)
1978 : Laguna Seca 100 Miles - 2nd in class : Hallett 100 Miles - 2nd in class : Lime Rock 100 Miles - 3rd in class : Sears Point 100 Miles - 1st in class : Road Atlanta 100 Miles - 1st in class
5 February 1978 - Daytona 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 13 | Porsche 935 | 930 670 0180 | GTX | Hal Shaw, Jr. (USA)/Jim Busby (USA)/Howard Meister (USA) | Hal Shaw Racing (USA) | 10th | 7th | 9th | 608 laps |
30 April 1978 - Laguna Seca 100 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) | 11th | 2nd | 17th | 49 laps |
7 May 1978 - Hallett 100 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) | 6th | 2nd | 9th | 51 laps |
29 May 1978 - Lime Rock 100 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) | 11th | 3rd | 14th | 61 laps |
18 June 1978 - Brainerd 100 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) | 26th | 12th | 11th | 25 laps - DNF |
30 July 1978 - Sears Point 100 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) | 6th | 1st | 11th | 38 laps |
6 August 1978 - Portland 100 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) | 18th | 10th | 8th | 27 laps DNF |
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 |
4 September 1978 - Road Atlanta 100 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) | Andial Porsche-Meister Homes | 8th | 1st | 20th | 38 laps |
26 November 1978 - Daytona Finale 250 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 07 | Porsche 911 Carrera RSR | 911 560 9114 | GTO | Dave Cowart (USA)/Howard Meister (USA) | Morrison's Inc. | 14th | 6th | 30th | 60 laps |