PORSCHE RACING HISTORY1978 - Daytona 24 Hours
5 February 1978 - Daytona International Speedway, USA
Rolf Stommelen, Toine Hezemans & Peter Gregg win in a Porsche 935/77A
Overall - 1st, 2nd, 3rd : GTX - 1st, 2nd, 3rd : GTO - 1st, 2nd : GTU - 1st, 2nd, 3rd Gunter Seipolt (USA) was also listed driving car 87
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 99 | Porsche 935/77A | 930 890 0011 | GTX | Rolf Stommelen (D)/Toine Hezemans (NL)/Peter Gregg (USA) | Brumos Porsche (USA) | 1st | 1st | 4th | 680 laps |
| 6 | Porsche 935/77A | 930 890 0033 | GTX | Dick Barbour (USA)/Manfred Schurti (FL)/Johnny Rutherford (USA) | Dick Barbour Racing (USA) | 2nd | 2nd | 8th | 650 laps |
| 58 | Porsche 911 Carrera RSR | GTO | Diego Febles (PR)/Alec Poole (GB) | Diego Febles Racing (PR) | 3rd | 1st | 21st | 645 laps | |
| 33 | Porsche 911 Carrera RSR | 911 460 9113 | GTO | Bonky Fernandez (PR)/John Paul Sr. (USA)/Phil Currin (USA) | Boricua Racing (PR) | 4th | 2nd | 14th | 637 laps |
| 14 | Porsche 935 K2 | 007 00016 | GTX | Josef Brambring (D)/Dieter Schornstein (D)/"John Winter" Louis Krages (D) | Kremer Porsche Racing (D) | 5th | 3rd | 10th | 635 laps |
| 09 | Porsche 934 | 930 670 0175 | GTX | Gary Belcher (USA)/Doc Bundy (USA)/Al Holbert (USA) | Belcher Racing (USA) | 6th | 4th | 12th | 632 laps |
| 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 |
| 59 | Porsche 935 | 930 770 0909 | GTX | Peter Gregg (USA)/Claude Ballot-Léna (F)/Brad Frisselle (USA) | JMS Brumos Porsche (USA) | 9th | 6th | 6th | 621 laps |
| 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 |
| 01 | Porsche 911 S | GTU | Dave White (USA)/Gary Mesnick (USA)/J. Dana Roehrig (USA) | J. Dana Roehrig | 11th | 1st | 26th | 604 laps - Engine | |
| 34 | Porsche 911 S | GTU | George Drolsom (USA)/Hugh Davenport (USA)/Mark Greb (USA) | Drolsom Racing (USA) | 12th | 2nd | 57th | 592 laps | |
| 21 | Porsche 935 | 930 770 0907 | GTX | Franz Konrad (A)/Reinhold Jöst (D)/Volkert Merl (D) | Konrad Racing (D) | 13th | 8th | 7th | 590 laps |
| 08 | Porsche 911 S | 911 030 1263 | GTU | Terry Wolters (USA)/Jack Refenning (USA)/Ray Mummery (USA) | Terry Wolters | 14th | 3rd | 55th | 584 laps |
| 24 | Porsche 911 Carrera RSR | 911 460 9056 | GTX | Tom Frank (USA)/Bob Bergstrom (USA) | Executive Industries (USA) | 15th | 9th | 19th | 580 laps |
| 60 | Porsche 911 S | GTU | John Thomas (USA)/Ren Tilton (USA)/Rusty Bond (USA) | R & R Racing | 17th | 5th | 34th | 551 laps | |
| 29 | Porsche 911 S | GTU | Richard Weiss (USA)/Bill Alsup (USA)/Bill Follmer (USA) | Richard C. Weiss | 18th | 6th | 35th | 550 laps | |
| 46 | Porsche 911 Carrera RSR | 911 360 0865 | GTO | Mauricio DeNarváez (COL)/Albert Naon (USA)/Tony Garcia (USA) | Mauricio DeNarvaez (CO) | 20th | 4th | 36th | 547 laps - DNF |
| 22 | Porsche 911 E | GTU | Bill Harriss (USA)/Volker Bruckmann (USA) | Music City Racing | 21st | 7th | 49th | 546 laps | |
| 68 | Porsche 911 Carrera RSR | 005 0009 | GTO | Luis Mendez (DR)/Mandy Gonzalez (PR)/Tato Ferrer (PR) | Luis Mendez (DR) | 23rd | 5th | 66th | 509 laps |
| 36 | Porsche 911 T | 1290486 | GTU | Ron Case (USA)/Dave Panaccione (USA) | Case Racing | 28th | 10th | 46th | 500 laps |
| 7 | Porsche 935 | 930 770 0958 | GTX | Ludwig Heimrath, Sr (CDN)/Jacques Bienvenue (CDN)/Norm Ridgely (CDN) | Heimrath Racing (CDN) | 35th | 13th | 11th | 466 laps - Accident |
| 07 | Porsche 911 Carrera RSR | 911 560 9114 | GTO | Dave Cowart (USA)/Charles Mendez (USA)/Joe Castellano (I) | Morrison's Inc. | 36th | 10th | 61st | 459 laps - DNF |
| 95 | Porsche 935 | 930 770 0957 | GTX | Hurley Haywood (USA)/Bob Hagestad (USA)/Doc Bundy (USA) | Bob Hagestad (USA) | 40th | 16th | 60th | 400 laps - Clutch |
| 87 | Porsche 911 S | GTU | Pedro Vazquez (USA)/Ron Oyler (USA)/Joseph Hamilton (USA)/Gunter Hamilton (USA) | Pedro Vazquez, Jr. (USA) | 43rd | 15th | 67th | 360 laps | |
| 76 | Porsche 911 | GTU | Frank Thomas (USA)/Lee Mueller (USA)/Logan Blackburn (USA) | Quality Inn | 48th | 17th | 39th | 224 laps - DNF | |
| 0 | Porsche 935/77A | 930 890 0019 | GTX | Danny Ongais (USA)/Ted Field (USA)/Milt Minter (USA) | Interscope Racing (USA) | 56th | 23rd | 1st | 88 laps - Engine |
| 12 | Porsche 935/77A | 930 890 0012 | GTX | Bob Wollek (F)/Henri Pescarolo (F)/Didier Jaunet (F) | Porsche Kremer Racing (D) | 57th | 24th | 2nd | 86 laps - Engine |
| 51 | Porsche 911 S | GTU | John Hotchkis (USA)/Robert Kirby (USA)/Dennis Aase (USA) | Wynn's International | 58th | 18th | 63rd | 85 laps - Engine | |
| 54 | Porsche 911 Carrera RSR | 911 460 0100 | GTX | John Tunstall (USA)/Stephen Behr (USA)/Lou Timolat (USA) | T & C | 61st | 25th | 38th | 70 laps - Flywheel |
| 39 | Porsche 911 Carrera RSR | 911 360 0727 | GTO | Greg Pickett (USA)/Neil Bonnet (USA)/Bruce Canepa (USA) | Greg Pickett | 62nd | 19th | 59th | 69 laps - Ignition |
| 3 | Porsche 935 | 930 770 0902 | GTX | Carlo Facetti (I)/Martino Finotto (I) | Jolly Club (I) | 66th | 27th | 5th | 6 laps - Engine |
| 85 | Porsche 914/6 | GTU | John Hulen (USA)/Ron Coupland (USA)/Nick Engels (USA) | John Hulen (USA) | 67th | 47th | 0 laps - Engine at Start |
World Championship for Makes IMSA - International Motor Sport Association Daytona 24 Hours
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