# 24 Heures de Daytona 1991

Les 24 Heures de Daytona 1991 (officiellement appelé le Sunbank Daytona 24 Hours 1991), disputées sur les 2 février 1991 et 3 février 1991 sur le Daytona International Speedway ont été la vingt-neuvième édition de cette épreuve, la vingt-quatrième sur un format de vingt-quatre heures, et la première manche du Championnat IMSA GT 1991.

## Engagés

La liste officielle des engagés était composée de 68 voitures. 47 ont participé aux essais dont 13 en GTP, 7 en GTP Lights, 15 en GTO, 9 en GTU et 3 en Le Mans Cars.

## Course

Voici le classement provisoire au terme de la course$^,$.
* Les vainqueurs de chaque catégorie sont signalés par un fond jauni.
* Pour la colonne Pneus, il faut passer le curseur au-dessus du modèle pour connaître le manufacturier de pneumatiques.
| Pos. | Classe | N° | Écurie | Pilotes | Châssis | Pneus | Tours |
| Pos. | Classe | N° | Écurie | Pilotes | Moteur | Pneus | Tours |
| 1 | GTP | 7 | Joest Racing | Frank Jelinski Henri Pescarolo Hurley Haywood Bob Wollek "John Winter" | Porsche 962C | G | 719 |
| 1 | GTP | 7 | Joest Racing | Frank Jelinski Henri Pescarolo Hurley Haywood Bob Wollek "John Winter" | Porsche Type-935 3,0 l Flat-6 Bi-Turbo | G | 719 |
| 2 | LM | 83 | Nissan Performance Technology | Bob Earl Derek Daly Chip Robinson Geoff Brabham | Nissan R90CK | G | 701 |
| 2 | LM | 83 | Nissan Performance Technology | Bob Earl Derek Daly Chip Robinson Geoff Brabham | Nissan VRH35Z 3,5 l V8 Bi-Turbo | G | 701 |
| 3 | GTP | 10 | Wynn's ( Hotchkis Racing) | Chris Cord (en) John Hotchkis (de) Jim Adams Rob Dyson (en) | Porsche 962 | G | 692 |
| 3 | GTP | 10 | Wynn's ( Hotchkis Racing) | Chris Cord (en) John Hotchkis (de) Jim Adams Rob Dyson (en) | Porsche Type-935 3,0 l Flat-6 Bi-Turbo | G | 692 |
| 4 | GTO | 15 | Roush Racing | Mark Martin Wally Dallenbach Jr. Robby Gordon | Ford Mustang | G | 672 |
| 4 | GTO | 15 | Roush Racing | Mark Martin Wally Dallenbach Jr. Robby Gordon | Ford 6,0 l V8 Atmo | G | 672 |
| 5 Abd. | GTP | 00 | Jochen Dauer Racing (de) | Michael Andretti Mario Andretti Jeff Andretti | Porsche 962C | BF | 663 |
| 5 Abd. | GTP | 00 | Jochen Dauer Racing (de) | Michael Andretti Mario Andretti Jeff Andretti | Porsche Type-935 3,0 l Flat-6 Bi-Turbo | BF | 663 |
| 6 | GTO | 12 | Whistler Radar | John Fergus Max Jones Dorsey Schroeder (en) | Ford Mustang | G | 658 |
| 6 | GTO | 12 | Whistler Radar | John Fergus Max Jones Dorsey Schroeder (en) | Ford 6,0 l V8 Atmo | G | 658 |
| 7 Abd. | Lights | 48 | Acura | Parker Johnstone (en) Steve Cameron Doug Peterson Bob Lesnett (en) | Spice SE90P | BF | 654 |
| 7 Abd. | Lights | 48 | Acura | Parker Johnstone (en) Steve Cameron Doug Peterson Bob Lesnett (en) | Acura 3,0 l V6 Atmo | BF | 654 |
| 8 | Lights | 36 | Ecurie Scientific | John Grooms Michael Greenfield (en) Frank Jellinek (de) Peter Greenfield | Kudzu DG-1 | G | 632 |
| 8 | Lights | 36 | Ecurie Scientific | John Grooms Michael Greenfield (en) Frank Jellinek (de) Peter Greenfield | Mazda 13B 1,3 l 2-Rotor | G | 632 |
| 9 Abd. | Lights | 54 | HDF Motorsport | Michael Dow Andrew Hepworth Hendrik ten Cate | Spice SE89P | G | 620 |
| 9 Abd. | Lights | 54 | HDF Motorsport | Michael Dow Andrew Hepworth Hendrik ten Cate | Buick 3,0 l V6 Atmo | G | 620 |
| 10 | GTO | 90 | Roush Racing | Jim Stevens Craig Bennett Tom Grunnah Jim Jaeger | Ford Mustang | G | 619 |
| 10 | GTO | 90 | Roush Racing | Jim Stevens Craig Bennett Tom Grunnah Jim Jaeger | Ford 6,0 l V8 Atmo | G | 619 |
| 11 | GTP | 4 | Tom Milner Racing | Brian Bonner (en) Derrike Cope Jeff Kline Scott Sharp | Spice SE89P | G | 611 |
| 11 | GTP | 4 | Tom Milner Racing | Brian Bonner (en) Derrike Cope Jeff Kline Scott Sharp | Chevrolet 6,0 l V8 Atmo | G | 611 |
| 12 | GTO | 92 | EDS/Mobil/Goodyear | R. K. Smith (en) Andy Pilgrim Doc Bundy (en) Joe Varde (en) | Chevrolet Corvette | G | 611 |
| 12 | GTO | 92 | EDS/Mobil/Goodyear | R. K. Smith (en) Andy Pilgrim Doc Bundy (en) Joe Varde (en) | Chevrolet 5,7 l V8 Atmo | G | 611 |
| 13 | GTU | 82 | Greer Racing | Dick Greer Al Bacon Mike Mees Peter Uria | Mazda RX-7 | G | 605 |
| 13 | GTU | 82 | Greer Racing | Dick Greer Al Bacon Mike Mees Peter Uria | Mazda R26 2,6 l 4-Rotor | G | 605 |
| 14 | GTO | 63 | Mazda | Brian Redman John O'Steen (de) Price Cobb Pete Halsmer (en) | Mazda RX-7 | G | 576 |
| 14 | GTO | 63 | Mazda | Brian Redman John O'Steen (de) Price Cobb Pete Halsmer (en) | Mazda R26 2,6 l 4-Rotor | G | 576 |
| 15 | GTU | 37 | Botero Racing | Honorato Espinosa Rob Wilson (en) Miguel Morejon Felipe Solano | Mazda MX-6 | Y | 576 |
| 15 | GTU | 37 | Botero Racing | Honorato Espinosa Rob Wilson (en) Miguel Morejon Felipe Solano | Mazda R26 2,6 l 4-Rotor | Y | 576 |
| 16 | GTU | 38 | Mandeville Auto Tech | Roger Mandeville Amos Johnson (de) Kelly Marsh | Mazda RX-7 | Y | 568 |
| 16 | GTU | 38 | Mandeville Auto Tech | Roger Mandeville Amos Johnson (de) Kelly Marsh | Mazda R26 2,6 l 4-Rotor | Y | 568 |
| 17 | Lights | 42 | Intersport | Geoff Nicol David Tennyson Todd Brayton | Tiga GT286 | G | 556 |
| 17 | Lights | 42 | Intersport | Geoff Nicol David Tennyson Todd Brayton | Mazda 13B 1,3 l 2-Rotor | G | 556 |
| 18 | Lights | 09 | R. J. Racing | Stephen Hynes Tommy Johnson Rob Robertson John Sheldon | Tiga GC287 | G | 545 |
| 18 | Lights | 09 | R. J. Racing | Stephen Hynes Tommy Johnson Rob Robertson John Sheldon | Buick 3,0 l V6 Atmo | G | 545 |
| 19 | GTU | 26 | Border Cantina | Chris Craft Alex Job Joe Pezza Jack Refenning | Porsche 911 | G | 494 |
| 19 | GTU | 26 | Border Cantina | Chris Craft Alex Job Joe Pezza Jack Refenning | Porsche 3,2 l Flat-6 Atmo | G | 494 |
| 20 Abd. | LM | 84 | Nissan Performance Technology | Julian Bailey Steve Millen (en) Arie Luyendyk Jeremy Dale (en) | Nissan R90CK | G | 472 |
| 20 Abd. | LM | 84 | Nissan Performance Technology | Julian Bailey Steve Millen (en) Arie Luyendyk Jeremy Dale (en) | Nissan VRH35Z 3,5 l V8 Bi-Turbo | G | 472 |
| 21 | GTO | 91 | EDS/Mobil/Goodyear | Stu Hayner Don Knowles John Heinricy (en) Scott Lagasse (en) Tommy Morrison | Chevrolet Corvette | G | 464 |
| 21 | GTO | 91 | EDS/Mobil/Goodyear | Stu Hayner Don Knowles John Heinricy (en) Scott Lagasse (en) Tommy Morrison | Chevrolet 6,0 l V8 Atmo | G | 464 |
| 22 Abd. | GTP | 16 | Dyson Racing | James Weaver John Paul Jr. Tiff Needell | Porsche 962C | G | 450 |
| 22 Abd. | GTP | 16 | Dyson Racing | James Weaver John Paul Jr. Tiff Needell | Porsche Type-935 3,0 l Flat-6 Bi-Turbo | G | 450 |
| 23 | GTU | 72 | Jay Kjoller Motorsports | Steve Volk Jay Kjoller Patrick Mooney | Porsche 911 | G | 449 |
| 23 | GTU | 72 | Jay Kjoller Motorsports | Steve Volk Jay Kjoller Patrick Mooney | Porsche 3,2 l Flat-6 Atmo | G | 449 |
| 24 Abd. | GTP | 5 | Tom Milner Racing | Mike Brockman Tim McAdam Fred Phillips Jeff Davis (en) | Spice SE89P | G | 448 |
| 24 Abd. | GTP | 5 | Tom Milner Racing | Mike Brockman Tim McAdam Fred Phillips Jeff Davis (en) | Chevrolet 6,0 l V8 Atmo | G | 448 |
| 25 | GTO | 70 | M/J Engineering | Lou Gigiliotti Boris Said Mike Nolan Roger Schramm Peter Cunningham (en) | Oldsmobile Cutlass (en) | F | 445 |
| 25 | GTO | 70 | M/J Engineering | Lou Gigiliotti Boris Said Mike Nolan Roger Schramm Peter Cunningham (en) | Oldsmobile 6,0 l V8 Atmo | F | 445 |
| 26 Abd. | GTU | 66 | North Coast Racing | Leighton Reese Mike Gagliardo Brad Hoyt | Mazda RX-7 | F | 442 |
| 26 Abd. | GTU | 66 | North Coast Racing | Leighton Reese Mike Gagliardo Brad Hoyt | Mazda R26 2,6 l 4-Rotor | F | 442 |
| 27 | GTO | 11 | Robert Williams | Jon Gooding John Annis Mark Kennedy Nort Northam Tom Panaggio | Chevrolet Camaro | G | 427 |
| 27 | GTO | 11 | Robert Williams | Jon Gooding John Annis Mark Kennedy Nort Northam Tom Panaggio | Chevrolet 6,0 l V8 Atmo | G | 427 |
| 28 Abd. | GTP | 98 | All American Racers | Mark Dismore (en) Rocky Moran (en) P. J. Jones (en) | Eagle HF89 | G | 408 |
| 28 Abd. | GTP | 98 | All American Racers | Mark Dismore (en) Rocky Moran (en) P. J. Jones (en) | Toyota 3S-GTM 2,1 l I4 Turbo | G | 408 |
| 29 | GTO | 87 | A&R Auto Electric | Grant Hill Nick Holmes Anthony Puleo Daniel Urrutia | Chevrolet Camaro | G | 396 |
| 29 | GTO | 87 | A&R Auto Electric | Grant Hill Nick Holmes Anthony Puleo Daniel Urrutia | Chevrolet 6,0 l V8 Atmo | G | 396 |
| 30 Abd. | GTP | 2 | Jaguar Racing | Davy Jones Scott Pruett Raul Boesel Derek Warwick | Jaguar XJR-12 | G | 379 |
| 30 Abd. | GTP | 2 | Jaguar Racing | Davy Jones Scott Pruett Raul Boesel Derek Warwick | Jaguar 6,5 l V12 Atmo | G | 379 |
| 31 Abd. | GTP | 6 | Joest Racing | Bob Wollek Bernd Schneider Paolo Barilla Massimo Sigala | Porsche 962C | G | 360 |
| 31 Abd. | GTP | 6 | Joest Racing | Bob Wollek Bernd Schneider Paolo Barilla Massimo Sigala | Porsche Type-935 3,0 l Flat-6 Bi-Turbo | G | 360 |
| 32 Abd. | Lights | 9 | Essex Racing | Jim Pace Tom Hessert Jr. Charles Morgan | Kudzu DG-1 | G | 359 |
| 32 Abd. | Lights | 9 | Essex Racing | Jim Pace Tom Hessert Jr. Charles Morgan | Buick 3,0 l V6 Atmo | G | 359 |
| 33 Abd. | Lights | 20 | Carlos Bobeda Racing | Kaming Ko Mike Sheehan Ron McKay Charles Monk | Tiga GT287 | G | 328 |
| 33 Abd. | Lights | 20 | Carlos Bobeda Racing | Kaming Ko Mike Sheehan Ron McKay Charles Monk | Chevrolet 3,0 l V6 Atmo | G | 328 |
| 34 | GTO | 45 | First Coast Trucks | John Forbes Ken Fengler Bob Hundredmark Tom Curren | Chevrolet Corvette | G | 315 |
| 34 | GTO | 45 | First Coast Trucks | John Forbes Ken Fengler Bob Hundredmark Tom Curren | Chevrolet 6,0 l V8 Atmo | G | 315 |
| 35 Abd. | GTP | 0 | Jochen Dauer Racing (de) | Al Unser Jr. Bobby Unser Robby Unser Al Unser | Porsche 962C | BF | 270 |
| 35 Abd. | GTP | 0 | Jochen Dauer Racing (de) | Al Unser Jr. Bobby Unser Robby Unser Al Unser | Porsche Type-935 3,0 l Flat-6 Bi-Turbo | BF | 270 |
| 36 Abd. | GTO | 28 | Del Russo Taylor | Don Arpin Jon Olch Tim Banks Scott Watkins | Chevrolet Camaro | G | 234 |
| 36 Abd. | GTO | 28 | Del Russo Taylor | Don Arpin Jon Olch Tim Banks Scott Watkins | Chevrolet 6,0 l V8 Atmo | G | 234 |
| 37 Abd. | GTO | 53 | Hi-Tech Coating | Richard McDill Bill McDill Jim Burt | Chevrolet Camaro | G | 223 |
| 37 Abd. | GTO | 53 | Hi-Tech Coating | Richard McDill Bill McDill Jim Burt | Chevrolet 6,0 l V8 Atmo | G | 223 |
| 38 Abd. | GTU | 96 | Fastcolor Auto Art | Chuck Kurtz Bob Leitzinger David Loring Don Reynolds | Nissan 240SX | T | 192 |
| 38 Abd. | GTU | 96 | Fastcolor Auto Art | Chuck Kurtz Bob Leitzinger David Loring Don Reynolds | Nissan 2,8 l V6 Atmo | T | 192 |
| 39 Abd. | GTU | 57 | Kryder Racing | Henry Camferdam Phil Krueger (en) Alistair Oag Reed Kryder | Nissan 240SX | G | 159 |
| 39 Abd. | GTU | 57 | Kryder Racing | Henry Camferdam Phil Krueger (en) Alistair Oag Reed Kryder | Nissan 2,8 l V6 Atmo | G | 159 |
| 40 | GTP | 60 | Gunnar Porsche | Jay Cochran (de) Derek Bell Justin Bell | Gunnar 966 | BF | 83 |
| 40 | GTP | 60 | Gunnar Porsche | Jay Cochran (de) Derek Bell Justin Bell | Porsche 3,0 l Flat-6 Bi-Turbo | BF | 83 |
| 41 | GTO | 04 | Henry Brosnaham | Bobby Scolo Steve Burgner John Macaluso | Chevrolet Camaro | G | 78 |
| 41 | GTO | 04 | Henry Brosnaham | Bobby Scolo Steve Burgner John Macaluso | Chevrolet 6,0 l V8 Atmo | G | 78 |
| 42 Abd. | GTP | 99 | All American Racers | Juan Manuel Fangio II Willy T. Ribbs Andy Wallace | Eagle HF89 | G | 60 |
| 42 Abd. | GTP | 99 | All American Racers | Juan Manuel Fangio II Willy T. Ribbs Andy Wallace | Toyota 3S-GTM 2,1 l I4 Turbo | G | 60 |
| 43 Abd. | GTO | 62 | Mazda | John Morton Calvin Fish (en) Pete Halsmer (en) | Mazda RX-7 | G | 50 |
| 43 Abd. | GTO | 62 | Mazda | John Morton Calvin Fish (en) Pete Halsmer (en) | Mazda R26 2,6 l 4-Rotor | G | 50 |
| 44 Abd. | LM | 1 | Nissan Performance Technology | Arie Luyendyk Julian Bailey Derek Daly | Nissan R90CK | G | 47 |
| 44 Abd. | LM | 1 | Nissan Performance Technology | Arie Luyendyk Julian Bailey Derek Daly | Nissan VRH35Z 3,5 l V8 Bi-Turbo | G | 47 |
| 45 Abd. | GTO | 06 | Overbagh Motor Racing | Oma Kimbrough Hoyt Overbagh Mark Montgomery Kent Painter | Chevrolet Camaro | G | 37 |
| 45 Abd. | GTO | 06 | Overbagh Motor Racing | Oma Kimbrough Hoyt Overbagh Mark Montgomery Kent Painter | Chevrolet 6,0 l V8 Atmo | G | 37 |
| 46 Abd. | GTU | 95 | Fastcolor Auto Art | Butch Leitzinger David Loring Chuck Kurtz Bob Leitzinger | Nissan 240SX | T | 13 |
| 46 Abd. | GTU | 95 | Fastcolor Auto Art | Butch Leitzinger David Loring Chuck Kurtz Bob Leitzinger | Nissan 2,8 l V6 Atmo | T | 13 |
| Np. | GTP | 3 | Jaguar Racing | John Nielsen | Jaguar XJR-12 | G | - |
| Np. | GTP | 3 | Jaguar Racing | John Nielsen | Jaguar 6,5 l V12 Atmo | G | - |