1991 12 Hours of Sebring explained

The Nissan Present the 39th Annual 12 Hours of Sebring International Grand Prix of Endurance, was the third round of both the 1991 Camel GT Championship and Exxon Supreme GT Series and was held at the Sebring International Raceway, on 16 March.^[1]

Report

Entry

A total of 54 cars were entered for the event, across four classes ranging through GTO /GTU up to GTP. Of these 51 cars practised.^[2]

Qualifying

The Nissan NPT-90 of Geoff Brabham, partnered by Derek Daly and his younger brother, Gary Brabham took pole position. They were joined on the front row by their Nissan Performance team-mates Chip Robinson, Bob Earl and Julian Bailey.^[3]

Race

In front of a crowd of approximately 80,000, the race was held over 12 Hours, on Sebring International Raceway. The race started in cool conditions, but finished wet. For most of the early running, the #6 Joest Racing Porsche 962C of Bob Wollek, Bernd Schnieder and Massimo Sigala lead. Apart from pit stops, this car lead until lap 80, when the pole winning Nissan took control of the race. The Brabham brothers and Daly would lead from lap 81 until their saw the flag on lap 298. In between, their team-mates (Robinson/Earl/Bailey) would lead a total of 41 laps, losing the lead for the last time, just six laps from home. During the race, there were seven full-course cautions covering 54 laps, lasting a total of 3 hours and 14 minutes. Despite this Brabham/Daly/Brabham took the winner spoils for Don Devendorf’s Nissan Performance Technology Inc. team. This partnership, driving their Nissan NPT-90, won in a time of 12hr 02:01.391mins., averaging a speed of 91.626 mph. They covered a distance of 1,102.6 miles. One lap adrift in second place was their fellow Nissan NPT-90 of Robinson/Earl/Bailey. Early front runners, Wolleck/Schnieder/Sigala brought their Porsche home at third just another lap further back. Another Porsche from Joest came home in fourth, driven by Frank Jelinski, Henri Pescarolo and ”John Winter”.

The top Jaguar was fifth in the hands of Davy Jones, Raul Boesel and John Nielsen.^[4] ^[5] ^[6]

Classification

Sebring 12 hours

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	Geoff Brabham Derek Daly Gary Brabham	Nissan NPT-90		298
1	GTP	83	Nissan Performance Technology	Geoff Brabham Derek Daly Gary Brabham	Nissan 3.0L Turbo V6		298
2	GTP	84	Nissan Performance Technology	Chip Robinson Bob Earl Julian Bailey	Nissan NPT-90		297
2	GTP	84	Nissan Performance Technology	Chip Robinson Bob Earl Julian Bailey	Nissan 3.0L Turbo V6		297
3	GTP	6	Joest Porsche Racing	Bob Wollek Bernd Schnieder Massimo Sigala	Porsche 962C		296
3	GTP	6	Joest Porsche Racing	Bob Wollek Bernd Schnieder Massimo Sigala	Porsche 3.0L Turbo Flat-6		296
4	GTP	7	Joest Porsche Racing	Frank Jelinski Henri Pescarolo "John Winter"	Porsche 962C		295
4	GTP	7	Joest Porsche Racing	Frank Jelinski Henri Pescarolo "John Winter"	Porsche 3.0L Turbo Flat-6		295
5	GTP	3	Bud Light/Jaguar Racing	Davy Jones Raul Boesel John Nielsen	Jaguar XJR-12D		284
5	GTP	3	Bud Light/Jaguar Racing	Davy Jones Raul Boesel John Nielsen	Jaguar 6.5L V12		284
6	GTP	4	Tom Milner Racing	Brian Bonner Scott Sharp Jeff Kline	Spice SE89P		283
6	GTP	4	Tom Milner Racing	Brian Bonner Scott Sharp Jeff Kline	Chevrolet 6.0L V8		283
7	Lights	8	Essex Racing	Charles Morgan Jim Pace	Kudzu DG-1		280
7	Lights	8	Essex Racing	Charles Morgan Jim Pace	Buick 3.0L V6		280
8	GTO	15	Roush Racing	Max Jones Robby Gordon	Ford Mustang		279
8	GTO	15	Roush Racing	Max Jones Robby Gordon	Ford 6.0L V8		279
9	GTP	10	Hotchkiss Racing	Chris Cord Jim Adams John Hotchkiss	Spice SE90P		278
9	GTP	10	Hotchkiss Racing	Chris Cord Jim Adams John Hotchkiss	Pontiac 6.0L V8		278
10	GTP	30	Momo/Gebhardt Racing	Giampiero Moretti Hellmut Mundas Stanley Dickens	Porsche 962C		277
10	GTP	30	Momo/Gebhardt Racing	Giampiero Moretti Hellmut Mundas Stanley Dickens	Porsche 3.0L Turbo Flat-6		277
11	GTO	75	Clayton Cunningham Racing	Jeremy Dale Steve Millen Johnny O'Connell	Nissan 300ZX		277
11	GTO	75	Clayton Cunningham Racing	Jeremy Dale Steve Millen Johnny O'Connell	Nissan 2.8L Turbo V6		277
12	GTO	63	Mazda USA	John O'Steen Price Cobb	Mazda RX-7		284
12	GTO	63	Mazda USA	John O'Steen Price Cobb	Mazda 2.6L 4-rotor		284
13	GTO	12	Roush Racing	Dorsey Schroeder John Fergus	Ford Mustang		271
13	GTO	12	Roush Racing	Dorsey Schroeder John Fergus	Ford 6.0L V8		271
14	GTO	62	Mazda USA	Calvin Fish Pete Halsmer John Morton	Mazda RX-7		270
14	GTO	62	Mazda USA	Calvin Fish Pete Halsmer John Morton	Mazda 2.6L 4-rotor		270
15	Lights	33	Spice Engineering USA	Almo Coppelli Jay Hill	Spice SE90P		265
15	Lights	33	Spice Engineering USA	Almo Coppelli Jay Hill	Buick 3.0L V6		265
16	GTO	92	Morrison Motorsports	Andy Pilgrim R. K. Smith	Chevrolet Corvette ZR-1		260
16	GTO	92	Morrison Motorsports	Andy Pilgrim R. K. Smith	Chevrolet 5.7L V8		260
17	GTU	95	Leitzinger Racing	Bob Leitzinger David Loring	Nissan 240SX		257
17	GTU	95	Leitzinger Racing	Bob Leitzinger David Loring	Nissan 3.0L V6		257
18 DNF	GTP	99	All American Racers	Juan Manuel Fangio II Willy T. Ribbs	Eagle-Toyota HF90		256
18 DNF	GTP	99	All American Racers	Juan Manuel Fangio II Willy T. Ribbs	Toyota 3S-GTM 2.1L Turbo I4		256
19	GTO	90	Roush Racing	Jim Stevens James Jaeger Don Walker	Ford Mustang		250
19	GTO	90	Roush Racing	Jim Stevens James Jaeger Don Walker	Ford 6.0L V8		250
20	GTU	26	Alex Job Racing	Alex Job Peter Kraft Jack Refenning	Porsche 911		247
20	GTU	26	Alex Job Racing	Alex Job Peter Kraft Jack Refenning	Porsche 3.2L Flat-6		247
21	Lights	18	Carlos Bobeda Racing	Andy Evans George Robinson Carlos Bobeda	Spice SE90P		236
21	Lights	18	Carlos Bobeda Racing	Andy Evans George Robinson Carlos Bobeda	Buick 3.0L V6		236
22	GTU	69	North Coast Racing	Brad Hoyt Leighton Reese	Mazda RX-7		234
22	GTU	69	North Coast Racing	Brad Hoyt Leighton Reese	Mazda 1.3L 2-rotor		234
23	GTU	82	Greer Racing	Dick Greer Al Bacon Peter Uria	Mazda RX-7		232
23	GTU	82	Greer Racing	Dick Greer Al Bacon Peter Uria	Mazda 1.3L 2-rotor		232
24	Lights	54	HDF Motorsports	Michael Dow David Tennyson Ken Knott	Spice SE89P		227
24	Lights	54	HDF Motorsports	Michael Dow David Tennyson Ken Knott	Buick 3.0L V6		227
25 DNF	GTP	24	John Shapiro	James Weaver John Paul Jr.	Porsche 962 GTi		218
25 DNF	GTP	24	John Shapiro	James Weaver John Paul Jr.	Porsche 3.0L Turbo Flat-6		218
26	GTU	57	Kryderacing	Reed Kryder Frank Del Vecchio Joe Danaher	Nissan 240SX		207
26	GTU	57	Kryderacing	Reed Kryder Frank Del Vecchio Joe Danaher	Nissan 3.0L V6		207
27 DNF	Lights	48	Comptech Racing	Parker Johnstone Doug Peterson	Spice SE90P		204
27 DNF	Lights	48	Comptech Racing	Parker Johnstone Doug Peterson	Acura 3.0L V6		204
28	GTO	04	Henry Brosnaham	Henry Brosnaham Steve Roberts Bobby Scolo Paul Mazzacane Richard Andison	Chevrolet Camaro		166
28	GTO	04	Henry Brosnaham		Chevrolet 5.9L V8		166
29 DNF	GTP	5	Tom Milner Racing	Tim McAdam Jeff Purner Fred Phillips	Spice SE89P		165
29 DNF	GTP	5	Tom Milner Racing	Tim McAdam Jeff Purner Fred Phillips	Chevrolet 6.0L V8		165
30 DNF	Lights	80	Bieri Racing	Ruggero Melgrati Martino Finotto Fermín Vélez	Spice SE89P		147
30 DNF	Lights	80	Bieri Racing	Ruggero Melgrati Martino Finotto Fermín Vélez	Ferrari 3.0L V8		147
31 DNF	GTU	37	Botero Racing	Rob Wilson Felipe Solano Francisco López Honorato Espinosa	Mazda MX-6		140
31 DNF	GTU	37	Botero Racing	Rob Wilson Felipe Solano Francisco López Honorato Espinosa	Mazda 1.3L 2-rotor		140
32 DNF	Lights	40	Bieri Racing	Uli Bieri John Graham	Alba AR2		138
32 DNF	Lights	40	Bieri Racing	Uli Bieri John Graham	Ferrari 3.0L V8		138
33 DNF	GTO	91	Morrison Motorsports	Scott Hayter Scott Lagasse Don Knowles	Chevrolet Corvette ZR-1		134
33 DNF	GTO	91	Morrison Motorsports	Scott Hayter Scott Lagasse Don Knowles	Chevrolet 5.7L V8		134
34 DNF	Lights	9	Essex Racing	Tom Hessert Costas Los	Kudzu DG-1		128
34 DNF	Lights	9	Essex Racing	Tom Hessert Costas Los	Buick 3.0L V6		128
35 DNF	GTU	94	Guy W. Church	E. J. Generotti Paul Tavilla Guy W. Church	Mazda RX-7		113
35 DNF	GTU	94	Guy W. Church	E. J. Generotti Paul Tavilla Guy W. Church	Mazda 1.3L 2-rotor		113
36 DNF	GTO	53	Bill McDill	Richard McDill Bill McDill	Chevrolet Camaro		112
36 DNF	GTO	53	Bill McDill	Richard McDill Bill McDill	Chevrolet 6.0L V8		112
37 DNF	GTU	72	Jay Kjoller Motorsports	Jay Kjoller Patrick Mooney Steve Volk	Porsche 911		108
37 DNF	GTU	72	Jay Kjoller Motorsports	Jay Kjoller Patrick Mooney Steve Volk	Porsche 3.2L Flat-6		108
38 DNF	GTU	41	Red Line Racing	David Russell Jr. Michael Graham Cameron Worth	BMW 325i		103
38 DNF	GTU	41	Red Line Racing	David Russell Jr. Michael Graham Cameron Worth	BMW 2.8L I6		103
39 DNF	GTP	98	All American Racers	Rocky Moran Andy Wallace	Eagle-Toyota HF90		82
39 DNF	GTP	98	All American Racers	Rocky Moran Andy Wallace	Toyota 3S-GTE 2.1L Turbo I4		82
40 DNF	Lights	09	R. J. Racing	Tommy Johnson Bob Robertson John Sheldon	Tiga GC287		82
40 DNF	Lights	09	R. J. Racing	Tommy Johnson Bob Robertson John Sheldon	Buick 3.0L V6		82
41 DNF	GTO	87	Powertron	Anthony Puloe John Annis Tom Panaggio Tom Walsh	Chevrolet Camaro		75
41 DNF	GTO	87	Powertron	Anthony Puloe John Annis Tom Panaggio Tom Walsh	Chevrolet 6.0L V8		75
42 DNF	GTP	21	Alucraft	Hurley Haywood René Herzog Wayne Taylor Daniel Müller	Porsche 962		70
42 DNF	GTP	21	Alucraft	Hurley Haywood René Herzog Wayne Taylor Daniel Müller	Porsche 3.0L Turbo Flat-6		70
43 DNF	GTU	96	Leitzinger Racing	Bob Leitzinger Chuck Kurtz Butch Leitzinger	Nissan 240SX		52
43 DNF	GTU	96	Leitzinger Racing	Bob Leitzinger Chuck Kurtz Butch Leitzinger	Nissan 3.0L V6		52
44 DNF	GTO	76	Clayton Cunningham Racing	Johnny O'Connell Jeremy Dale Steve Millen	Nissan 300ZX		33
44 DNF	GTO	76	Clayton Cunningham Racing	Johnny O'Connell Jeremy Dale Steve Millen	Nissan 3.0L Turbo V6		33
45 DNF	GTP	05	Tom Milner Racing	Craig Carter Les Delano Andy Petery	Fabcar GTP		75
45 DNF	GTP	05	Tom Milner Racing	Craig Carter Les Delano Andy Petery	Chevrolet 6.0L V8		75
46 DNF	GTO	52	Ken Bupp	Robert Peters Ken Bupp	Chevrolet Camaro		3
46 DNF	GTO	52	Ken Bupp	Robert Peters Ken Bupp	Chevrolet 5.9L V8		3
DNS	GTP	2	Bud Light/Jaguar Racing	Davy Jones Ken Acheson Raul Boesel	Jaguar XJR-12D		-
DNS	GTP	2	Bud Light/Jaguar Racing	Davy Jones Ken Acheson Raul Boesel	Jaguar 6.5L V12		-
DNQ	GTO	17	Beckett Racing	Don Beckett Scott Lieb Robert McElheny	Chevrolet Corvette		-
DNQ	GTO	17	Beckett Racing	Don Beckett Scott Lieb Robert McElheny	Chevrolet V8		-
DNQ	GTO	06	HiTex Corp.	Oma Kimbrough Mark Montgomery Hoyt Overbagh	Chevrolet Camaro		-
DNQ	GTO	06	HiTex Corp.	Oma Kimbrough Mark Montgomery Hoyt Overbagh	Chevrolet 5.9L V8		-