PORSCHE RACING HISTORY1978 - Talladega 6 Hours
2 April 1978 - Talladega, USA
Peter Gregg & Brad Frisselle win in a Porsche 935
Overall - 1st, 2nd, 3rd : GTX - 1st, 2nd, 3rd : GTO - 1st, 3rd : GTU - 1st, 2nd, 3rd
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 935 | 930 770 0909 | GTX | Peter Gregg (USA)/Brad Frisselle (USA) | Brumos Porsche (USA) | 1st | 1st | 1st | 175 laps |
| 94 | Porsche 935/77A | 930 890 0023 | GTX | Bill Whittington (USA)/Don Whittington (USA) | Whittington Brothers Racing (USA) | 2nd | 2nd | 13th | 167 laps |
| 6 | Porsche 935/77A | 930 890 0033 | GTX | Dick Barbour (USA)/Johnny Rutherford (USA) | Dick Barbour Racing (USA) | 3rd | 3rd | 3rd | 161 laps |
| 33 | Porsche 911 Carrera RSR | 911 460 9113 | GTO | Bonky Fernandez (PR)/Dave Cowart (USA) | Boricua Racing (PR) | 4th | 1st | 12th | 161 laps |
| 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 |
| 76 | Porsche 911 | GTU | Lee Mueller (USA)/Frank Thomas (USA) | Quality Inn | 7th | 1st | 18th | 156 laps | |
| 01 | Porsche 911 S | GTU | Dave White (USA)/J. Dana Roehrig (USA) | J. Dana Roehrig | 9th | 2nd | 20th | 151 laps | |
| 34 | Porsche 911 S | GTU | George Drolsom (USA)/Hugh Davenport (USA) | Drolsom Racing (USA) | 10th | 3rd | 23rd | 149 laps | |
| 62 | Porsche 914/6 | 914 043 0593 | GTU | Bill Koll (USA)/David Hamren (USA) | William Koll (USA) | 11th | 4th | 32nd | 148 laps |
| 27 | Porsche 911 S | GTU | Ray Mummery (USA)/Jack Refenning (USA)/Tom Sheehy (USA) | Ray Mummery | 15th | 5th | 26th | 142 laps | |
| 9 | Porsche 935 | 930 890 0037 | GTX | John Paul Sr. (USA)/Bob Bondurant (USA) | Dick Barbour (USA) | 18th | 8th | 6th | 133 laps - Accident |
| 58 | Porsche 911 Carrera RSR | GTO | Diego Febles (PR)/Francisco Romero (YV) | Diego Febles Racing (PR) | 21st | 3rd | 21st | 132 laps | |
| 36 | Porsche 911 T | 1290486 | GTU | Dave Panaccione (USA)/Ron Case (USA) | Ron Case | 22nd | 7th | 25th | 129 laps |
| 13 | Porsche 935 | 930 670 0180 | GTX | Tom Spalding (USA)/Hal Shaw, Jr. (USA) | Hal Shaw Racing (USA) | 23rd | 9th | 7th | 127 laps |
| 95 | Porsche 935 | 930 770 0957 | GTX | Hurley Haywood (USA)/Bob Hagestad (USA) | Bob Hagestad (USA) | 26th | 11th | 2nd | 124 laps - Electrics |
| 45 | Porsche 911 | GTU | Jim Gaeta (USA)/Gary Steele (USA) | Vann's Auto Body | 28th | 8th | 36th | 109 laps | |
| 60 | Porsche 911 S | GTU | Rusty Bond (USA)/Ren Tilton (USA) | R & R Racing | 29th | 9th | 22nd | 88 laps - Overheating | |
| 30 | Porsche 935 | 930 770 0905 | GTX | Gianpiero Moretti (I)/Charles Mendez (USA) | Electrodyne Inc. (I) | 32nd | 12th | 4th | 52 laps - Accident Damage |
| 28 | Porsche 935 | 930 770 0960 | GTX | Clif Kearns (USA)/Milt Minter (USA) | Desperado Racing (USA) | 33rd | 13th | 11th | 50 laps - DNF |
| 51 | Porsche 911 | GTU | John Hotchkis (USA)/Dennis Aase (USA) | Wynn's International | 37th | 12th | 24th | 29 laps - Accident | |
| 46 | Porsche 911 Carrera RSR | 911 360 0865 | GTO | Mauricio DeNarváez (COL)/Albert Naon (USA) | Mauricio DeNarvaez (CO) | 38th | 4th | 15th | 8 laps - Electrics |
World Challenge for Endurance Drivers IMSA - International Motor Sport Association
Previous 1978 - Mugello 6 Hours Next 1978 - Interserie Nürburgring 300 km