# 1990 12 Hours of Sebring

The Nissan Present the 38th Annual 12 Hours of Sebring International Grand Prix of Endurance, was the third round of both the 1990 IMSA GT Championship season and was held at the Sebring International Raceway, on 17 March 1990.

## Results

Class Winners are in Bold text.
| Pos | Class | No | Team | Drivers | Chassis | Tyre | Laps |
| Pos | Class | No | Team | Drivers | Engine | Tyre | Laps |
| 1 | GTP | 83 | Nissan Performance Technology | Derek Daly Bob Earl | Nissan GTP ZX-Turbo | G | 301 |
| 1 | GTP | 83 | Nissan Performance Technology | Derek Daly Bob Earl | Nissan 3.0L V6 Turbo | G | 301 |
| 2 | GTP | 84 | Nissan Performance Technology | Derek Daly Chip Robinson Geoff Brabham | Nissan GTP ZX-Turbo | G | 301 |
| 2 | GTP | 84 | Nissan Performance Technology | Derek Daly Chip Robinson Geoff Brabham | Nissan 3.0L V6 Turbo | G | 301 |
| 3 | GTP | 61 | Castrol Jaguar Racing | Davy Jones Jan Lammers Andy Wallace | Jaguar XJR-12 | G | 301 |
| 3 | GTP | 61 | Castrol Jaguar Racing | Davy Jones Jan Lammers Andy Wallace | Jaguar 6.0L V12 N/A | G | 301 |
| 4 | GTP | 10 | Hotchkis Racing | John Hotchkis Adams John Hotchkis Jr. | Porsche 962 | G | 292 |
| 4 | GTP | 10 | Hotchkis Racing | John Hotchkis Adams John Hotchkis Jr. | Porsche 3.0L Flat 6 Turbo | G | 292 |
| 5 | GTP | 67 | Busby Racing | Kevin Cogan John Paul Jr. | Nissan GTP ZX-Turbo | BF | 286 |
| 5 | GTP | 67 | Busby Racing | Kevin Cogan John Paul Jr. | Nissan 3.0L V6 Turbo | BF | 286 |
| 6 | GTO | 15 | Roush Racing | Robby Gordon Calvin Fish Lyn St. James | Mercury Cougar XR-7 | G | 278 |
| 6 | GTO | 15 | Roush Racing | Robby Gordon Calvin Fish Lyn St. James | Ford 6.0L V8 N/A | G | 278 |
| 7 | Lights | 8 | Essex Racing | Tom Hessert Charles Morgan | Spice SE88P | G | 273 |
| 7 | Lights | 8 | Essex Racing | Tom Hessert Charles Morgan | Buick 3.0L V6 N/A | G | 273 |
| 8 | GTO | 11 | Roush Racing | Dorsey Schroeder Max Jones | Mercury Cougar XR-7 | G | 270 |
| 8 | GTO | 11 | Roush Racing | Dorsey Schroeder Max Jones | Ford 6.0L V8 N/A | G | 270 |
| 9 | Lights | 55 | Huffaker Racing | Bob Lesnett David Rocha Bruce Qvale | Spice SE86CL | F | 266 |
| 9 | Lights | 55 | Huffaker Racing | Bob Lesnett David Rocha Bruce Qvale | Pontiac 3.0L I4 N/A | F | 266 |
| 10 | GTU | 95 | Leitzinger Racing | David Loring Butch Leitzinger Chuck Kurtz | Nissan 240SX | T | 262 |
| 10 | GTU | 95 | Leitzinger Racing | David Loring Butch Leitzinger Chuck Kurtz | Nissan 2.9L V6 N/A | T | 262 |
| 11 | GTP | 0 | Joest Racing | "John Winter" Henri Pescarolo Bob Wollek | Porsche 962 | G | 261 |
| 11 | GTP | 0 | Joest Racing | "John Winter" Henri Pescarolo Bob Wollek | Porsche 3.0L Flat 6 Twin-Turbo | G | 261 |
| 12 | Lights | 80 | Bieri Racing | Martino Finotto Ruggero Melgrati Paolo Guatamacchi | Spice SE89P | G | 261 |
| 12 | Lights | 80 | Bieri Racing | Martino Finotto Ruggero Melgrati Paolo Guatamacchi | Ferrari 3.0L V8 N/A | G | 261 |
| 13 | GTU | 37 | Roger Mandeville | Al Bacon Lance Stewart John Finger | Mazda MX-6 | Y | 248 |
| 13 | GTU | 37 | Roger Mandeville | Al Bacon Lance Stewart John Finger | Mazda 1.3L Rotary | Y | 248 |
| 14 DNF | GTP | 17 | Dauer Racing | Raul Boesel Hans-Joachim Stuck | Porsche 962 | BF | 246 |
| 14 DNF | GTP | 17 | Dauer Racing | Raul Boesel Hans-Joachim Stuck | Porsche 3.0L Flat 6 Twin-Turbo | BF | 246 |
| 15 | GTU | 82 | Dick Greer Racing | Dick Greer Mike Mees John Hogdal | Mazda RX-7 | Y | 240 |
| 15 | GTU | 82 | Dick Greer Racing | Dick Greer Mike Mees John Hogdal | Mazda 1.3L Rotary | Y | 240 |
| 16 | Lights | 32 | Spice Engineering USA | Tomas Lopez Fermín Vélez Richard Piper | Spice SE90P | G | 239 |
| 16 | Lights | 32 | Spice Engineering USA | Tomas Lopez Fermín Vélez Richard Piper | Buick 3.0L V6 N/A | G | 239 |
| 17 | GTU | 71 | Peter Uria Racing | Peter Uria Jim Pace Bob Dotson | Mazda RX-7 | G | 232 |
| 17 | GTU | 71 | Peter Uria Racing | Peter Uria Jim Pace Bob Dotson | Mazda 1.3L Rotary | G | 232 |
| 18 DNF | GTP | 33 | Spice Engineering USA | Bernard Jourdain Tommy Kendall Albert Naon Jr. | Spice SE90P | G | 222 |
| 18 DNF | GTP | 33 | Spice Engineering USA | Bernard Jourdain Tommy Kendall Albert Naon Jr. | Chevrolet 6.0L V8 N/A | G | 222 |
| 19 | Lights | 25 | Performance Tech | Brent O'Neill Jean de la Moussaye Pepe Romero | Argo JM19 | G | 221 |
| 19 | Lights | 25 | Performance Tech | Brent O'Neill Jean de la Moussaye Pepe Romero | Buick 3.0L V6 N/A | G | 221 |
| 20 | GTU | 00 | Full Time Racing | Kal Showket Don Knowles Neil Hanneman | Dodge Daytona | Y | 220 |
| 20 | GTU | 00 | Full Time Racing | Kal Showket Don Knowles Neil Hanneman | Dodge 2.4L I4 N/A | Y | 220 |
| 21 DNF | GTU | 57 | Kryderacing | Reed Kryder Alistair Oag Frank del Vecchio | Nissan 300ZX | G | 215 |
| 21 DNF | GTU | 57 | Kryderacing | Reed Kryder Alistair Oag Frank del Vecchio | Nissan 3.0L V6 N/A | G | 215 |
| 22 | GTU | 38 | Roger Mandeville | Kelly Marsh Al Bacon | Mazda MX-6 | Y | 210 |
| 22 | GTU | 38 | Roger Mandeville | Kelly Marsh Al Bacon | Mazda 1.3L Rotary | Y | 210 |
| 23 DNF | GTO | 1 | Downing/Atlanta | Pete Halsmer Elliott Forbes-Robinson John Morton | Mazda RX-7 | G | 209 |
| 23 DNF | GTO | 1 | Downing/Atlanta | Pete Halsmer Elliott Forbes-Robinson John Morton | Mazda 2.6L 4 Rotor | G | 209 |
| 24 | GTO | 22 | Gary Smith | Gary Burnett Gary Smith Albert Ruiz | Chevrolet Camaro | G | 202 |
| 24 | GTO | 22 | Gary Smith | Gary Burnett Gary Smith Albert Ruiz | Chevrolet 6.0L V8 N/A | G | 202 |
| 25 DNF | GTP | 98 | All American Racers | Drake Olson Juan Manuel Fangio II | Eagle HF89 | G | 199 |
| 25 DNF | GTP | 98 | All American Racers | Drake Olson Juan Manuel Fangio II | Toyota 2.1L I4 Turbo | G | 199 |
| 26 DNF | Lights | 40 | Bieri Racing | Uli Bieri John Graham David Tennyson | Tiga GT286 | G | 195 |
| 26 DNF | Lights | 40 | Bieri Racing | Uli Bieri John Graham David Tennyson | Ferrari 3.0L V8 N/A | G | 195 |
| 27 | GTO | 87 | Anthony Puleo | Anthony Puleo Kent Painter Ray Irwin | Chevrolet Camaro | F | 195 |
| 27 | GTO | 87 | Anthony Puleo | Anthony Puleo Kent Painter Ray Irwin | Chevrolet 5.7L V8 N/A | F | 195 |
| 28 DNF | GTP | 99 | All American Racers | Rocky Moran Willy T. Ribbs | Eagle HF89 | G | 185 |
| 28 DNF | GTP | 99 | All American Racers | Rocky Moran Willy T. Ribbs | Toyota 2.1L I4 Turbo | G | 185 |
| 29 | GTU | 09 | Huffaker Racing | Julian Gutierriz Juan Vento Luis Gordillo | Pontiac Fiero | G | 170 |
| 29 | GTU | 09 | Huffaker Racing | Julian Gutierriz Juan Vento Luis Gordillo | Pontiac 3.0L I4 N/A | G | 170 |
| 30 | GTU | 70 | Rising Sun Racing | Dave Russell Mick Robinson Bill Weston John Hofstra | Mazda RX-7 | F | 154 |
| 30 | GTU | 70 | Rising Sun Racing | Dave Russell Mick Robinson Bill Weston John Hofstra | Mazda 1.3L Rotary | F | 154 |
| 31 DNF | GTP | 2 | René Herzog | Hurley Haywood René Herzog Scott Schubot | Porsche 962 | G | 151 |
| 31 DNF | GTP | 2 | René Herzog | Hurley Haywood René Herzog Scott Schubot | Porsche 3.0L Flat 6 Twin-Turbo | G | 151 |
| 32 DNF | Lights | 9 | Essex Racing | Howard Katz Ferdinand de Lesseps Jay Cochran | Spice SE88P | G | 150 |
| 32 DNF | Lights | 9 | Essex Racing | Howard Katz Ferdinand de Lesseps Jay Cochran | Buick 3.0L V6 N/A | G | 150 |
| 33 | GTO | 04 | Henry Brosnaham | Henry Brosnaham Steve Burgner Robert McElheny Angel Figueiras | Chevrolet Camaro | G | 142 |
| 33 | GTO | 04 | Henry Brosnaham | Henry Brosnaham Steve Burgner Robert McElheny Angel Figueiras | Chevrolet 5.7L V8 N/A | G | 142 |
| 34 DNF | GTO | 63 | Downing/Atlanta | Jim Downing Amos Johnson John O'Steen | Mazda RX-7 | G | 137 |
| 34 DNF | GTO | 63 | Downing/Atlanta | Jim Downing Amos Johnson John O'Steen | Mazda 2.6L 4 Rotor | G | 137 |
| 35 DNF | GTU | 07 | Full Time Racing | Mike Davies Stu Hayner | Dodge Daytona | Y | 103 |
| 35 DNF | GTU | 07 | Full Time Racing | Mike Davies Stu Hayner | Dodge 2.4L I4 N/A | Y | 103 |
| 36 DNF | GTO | 29 | Overbagh Racing | E. J. Generotti Mark Montgomery | Chevrolet Camaro | G | 102 |
| 36 DNF | GTO | 29 | Overbagh Racing | E. J. Generotti Mark Montgomery | Chevrolet 5.5L V8 N/A | G | 102 |
| 37 DNF | Lights | 79 | Whitehall Motorsports | Ken Knott Marty Hinze Kenper Miller | Spice SE87L | G | 98 |
| 37 DNF | Lights | 79 | Whitehall Motorsports | Ken Knott Marty Hinze Kenper Miller | Pontiac 3.0L I4 N/A | G | 98 |
| 38 DNF | GTO | 12 | Overbagh Racing | Don Arpin Rex Ramsey Mark Montgomery | Pontiac Firebird | G | 91 |
| 38 DNF | GTO | 12 | Overbagh Racing | Don Arpin Rex Ramsey Mark Montgomery | Pontiac 5.7L V8 N/A | G | 91 |
| 39 DNF | GTO | 21 | Craig Rubright | Craig Rubright Kermit Upton | Chevrolet Camaro | G | 86 |
| 39 DNF | GTO | 21 | Craig Rubright | Craig Rubright Kermit Upton | Chevrolet 5.7L V8 N/A | G | 86 |
| 40 DNF | GTP | 86 | Bruce Leven | Bob Wollek Dominic Dobson Sarel van der Merwe | Porsche 962 | G | 65 |
| 40 DNF | GTP | 86 | Bruce Leven | Bob Wollek Dominic Dobson Sarel van der Merwe | Porsche 3.0L Flat 6 Twin-Turbo | G | 65 |
| 41 DNF | GTO | 74 | 74 Hunting Ranch | George Robinson Johnny Unser Paul Dallenbach | Ford Mustang | G | 61 |
| 41 DNF | GTO | 74 | 74 Hunting Ranch | George Robinson Johnny Unser Paul Dallenbach | Ford 6.0L V8 N/A | G | 61 |
| 42 DNF | GTP | 60 | Castrol Jaguar Racing | Price Cobb John Nielsen | Jaguar XJR-12 | G | 56 |
| 42 DNF | GTP | 60 | Castrol Jaguar Racing | Price Cobb John Nielsen | Jaguar 6.0L V12 N/A | G | 56 |
| 43 DNF | GTU | 90 | Louis D'Agostino | Louis D'Agostino Steve Kelton | Mazda RX-7 | G | 49 |
| 43 DNF | GTU | 90 | Louis D'Agostino | Louis D'Agostino Steve Kelton | Mazda 1.3L Rotary | G | 49 |
| 44 DNF | GTU | 50 | Rudy Bartling | Rudy Bartling Werner Frank Fritz Hochreuter | Porsche 911 | G | 45 |
| 44 DNF | GTU | 50 | Rudy Bartling | Rudy Bartling Werner Frank Fritz Hochreuter | Porsche 3.0L Flat 6 N/A | G | 45 |
| 45 DNF | GTP | 23 | DSR Motorsports | Bill Adam Scott Harrington David Seabrooke | Porsche 962 | G | 39 |
| 45 DNF | GTP | 23 | DSR Motorsports | Bill Adam Scott Harrington David Seabrooke | Porsche 3.0L Flat 6 Turbo | G | 39 |
| 46 DNF | GTU | 48 | Red Line Racing | Mike Graham Cameron Worth Alan Crouch | BMW 325i | G | 31 |
| 46 DNF | GTU | 48 | Red Line Racing | Mike Graham Cameron Worth Alan Crouch | BMW 3.0L I6 N/A | G | 31 |
| 47 DNF | Lights | 01 | Racecraft International | George Sutcliffe Richard Jones Michael Dow | Spice SE87L | G | 24 |
| 47 DNF | Lights | 01 | Racecraft International | George Sutcliffe Richard Jones Michael Dow | Pontiac 3.0L I4 N/A | G | 24 |
| 48 DNF | Lights | 58 | Gary Wonzer Racing | Bill Bean Gary Wonzer Bruce Westcott | Lola T616 | H | 14 |
| 48 DNF | Lights | 58 | Gary Wonzer Racing | Bill Bean Gary Wonzer Bruce Westcott | Mazda 1.3L 2 Rotor | H | 14 |
| 49 DNF | GTU | 26 | Alex Job | Chris Kraft Alex Job Jack Refenning | Porsche 911 | G | 14 |
| 49 DNF | GTU | 26 | Alex Job | Chris Kraft Alex Job Jack Refenning | Porsche 3.0L Flat 6 N/A | G | 14 |
| DNS | GTP | 16 | Dyson Racing | James Weaver Scott Pruett | Porsche 962 | G | 0 |
| DNS | GTP | 16 | Dyson Racing | James Weaver Scott Pruett | Porsche 3.0L Flat 6 Twin-Turbo | G | 0 |
| DNS | Lights | 4 | S&L Racing | Linda Ludemann Scott Schubot | Spice SE88P | G | 0 |
| DNS | Lights | 4 | S&L Racing | Linda Ludemann Scott Schubot | Buick 3.0L V6 N/A | G | 0 |
| DNS | GTU | 77 | Juan Carlos Negron | Juan Negron Daniel Urrutia Luis Sereix | Mazda RX-7 | ? | 0 |
| DNS | GTU | 77 | Juan Carlos Negron | Juan Negron Daniel Urrutia Luis Sereix | Mazda Rotary | ? | 0 |
| DNS | GTO | 45 | Jack Boxstrom | Jack Boxstrom | Pontiac Firebird | ? | 0 |
| DNS | GTO | 45 | Jack Boxstrom | Jack Boxstrom | ? | ? | 0 |
| DNS | GTP | 20 | Consulier | Chet Fillip Ron Cortez Bruce MacInnes | Consulier GTP | ? | 0 |
| DNS | GTP | 20 | Consulier | Chet Fillip Ron Cortez Bruce MacInnes | ? | ? | 0 |
| DNS | GTP | 91 | Consulier | Rick Titus Bruce MacInnes Chet Fillip | Consulier GTP | ? | 0 |
| DNS | GTP | 91 | Consulier | Rick Titus Bruce MacInnes Chet Fillip | ? | ? | 0 |
* Pole position: Derek Daly/Chip Robinson/Geoff Brabham, 1:55.767

### Class Winners

| Class | Winners | |
| GTP | Earl / Daly | Nissan GTP ZX-Turbo |
| GTP Lights | Hessert / Morgan | Spice SE88P |
| GTO | Gordon / Fish / St. James | Mercury Cougar XR-7 |
| GTU | Loring / Leitzinger / Kurtz | Nissan 240SX |