Sebring 12 Hours 1990 - Racing Sports Cars

Event: 12 Hours of Sebring International Grand Prix of Endurance		Date: 17.3.1990
Track: Sebring International Raceway (United States), 6.614 kms	Organiser: unknown
Sebring 12 Hours
International Motor Sport Association (round 3) IMSA GTO (round 3) IMSA GTU (round 3) International Motor Sport Association (round 3)

Weather:	breezy, hot
Start time:	unknown
Grid:	2-2-2, PP left
Distance:	12 hours
Attendance:	33000

Entered:	61
Practiced:	55
Qualified:	50
Started:	49
Finished:	23

Classes:	Pract	Start
IMSA GTP	17	14
IMSA GTP Lights	11	10
IMSA GTO	12	11
IMSA GTU	15	14

Photo Gallery Entered Cars Technical Data Appearance Race Results Grid Qualifying Lap Times

Race notes:
6 full-course cautions for 2 hrs., 58 minutes

Pre-race sessions:
2 qualifying sessions held for a total of 75 minutes on 15-16/3
5 non-qualifying practice sessions held for a total of 300 minutes on 14-16/3
20 minute pre-race warm-up held

Winners:
Overall:	83	Nissan GTP ZX-T	Daly / Earl
IMSA GTP Lights:	8	Spice SE89P Buick	Hessert / Morgan
IMSA GTO:	15	Mercury Cougar XR-7	Gordon / Fish / St. James
IMSA GTU:	95	Nissan 240SX	Loring / Leitzinger / Kurtz
Leaders:
laps 105-113:	83	Nissan GTP ZX-T
laps 114-122:	0	Porsche 962C
laps 1-16:	86	Porsche 962C
laps 123-138:	83	Nissan GTP ZX-T
laps 139-141:	0	Porsche 962C
laps 142-162:	83	Nissan GTP ZX-T
laps 163-182:	0	Porsche 962C
laps 17-19:	84	Nissan GTP ZX-T
laps 183-231:	83	Nissan GTP ZX-T
laps 20-21:	86	Porsche 962C
lap 22:	17	Porsche 962C
laps 232-254:	0	Porsche 962C
laps 23-32:	67	Nissan GTP ZX-T
laps 255-301:	83	Nissan GTP ZX-T
laps 33-42:	86	Porsche 962C
laps 43-68:	17	Porsche 962C
laps 69-78:	84	Nissan GTP ZX-T
laps 79-88:	83	Nissan GTP ZX-T
laps 89-104:	84	Nissan GTP ZX-T
Fastest Laps:
Overall:	84	Nissan GTP ZX-T	Geoff Brabham (AUS)	1:58.5820	200.8043 km/h	lap 283
IMSA GTP Lights:	80	Spice SE89P Ferrari	Ruggero Melgrati (I)	2:12.4990	179.7122 km/h	lap 244
IMSA GTO:	1	Mazda RX-7	Pete Halsmer (USA)	2:12.4570	179.7702 km/h	lap 127
IMSA GTU:	07	Dodge Daytona	Stu Hayner (USA)	2:22.9880	166.5301 km/h	lap 33
Pole Positions:
Overall:	84	Nissan GTP ZX-T	Chip Robinson (USA)	1:55.7670	205.6870 km/h
IMSA GTP Lights:	32	Spice SE90P Buick	Fermin Velez (E)	2:06.4620	188.2916 km/h
IMSA GTO:	1	Mazda RX-7	Pete Halsmer (USA)	2:10.2460	182.8215 km/h
IMSA GTU:	95	Nissan 240SX	David Loring (USA)	2:20.1000	169.9628 km/h
Notes of interest:
Top makes by numbers:	Porsche (8), Spice (8), Mazda (8), Nissan (5), Chevrolet (5)
Top engines by numbers:	Mazda (9), Porsche (8), Chevrolet (6), Nissan (5), Pontiac (5)
Top car types by numbers:	Porsche 962 (6), Mazda RX-7 (6), Chevrolet Camaro (5)
Driver nationalities:	USA (101), CDN (7), F (5), GB (3), I (3), PR (3), D (2), IRL (2), MEX (2)
Most used colours:	white (42%), red (21%), blue (15%), black (6%), yellow (5%)
Engine positions:	mid-engined (52%), front-engined (43%), rear-engined (5%)
Average engine size:	3378 cc (with regard to 22% turbocharged cars and 18% cars with rotary engine an applicable size is 4336 cc)
Oldest known drivers:	Dick Greer (58), Martino Finotto (57), Jim Downing (48)
Youngest known drivers:	Butch Leitzinger (21), Paul Dallenbach (23), Tom Kendall (24)
Female drivers:	Lyn St. James

Official Race Programme:

Cover	Entry List	Schedule	Track Map