Daytona 24 Hours 1989 - Racing Sports Cars

Event: The 27th Annual SunBank 24 at Daytona		Date: 5.2.1989
Track: Daytona International Speedway (United States), 5.729 kms	Organiser: unknown
Daytona 24 Hours
International Motor Sport Association (round 1) IMSA GTO (round 1) IMSA GTU (round 1) International Motor Sport Association (round 1)

Weather:	warm, dry, sunny
Start time:	4/2 15:30
Grid:	2-2-2, PP left
Distance:	24 hours
Attendance:	45000

Entered:	73
Practiced:	69
Qualified:	68
Started:	67
Finished:	26

Classes:	Pract	Start
IMSA GTP	22	21
IMSA GTP Lights	17	17
IMSA GTO	18	18
IMSA GTU	12	12

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

Race notes:
stopped for 3 hours 58 min. because of fog
was restarted with red flag flag time counting as part of total elapsed time
5 full-course cautions for 32 laps (1 hour and 54 minutes)

Pre-race sessions:
5 non-qualifying practice sessions held for a total of 345 minutes on 2-3/2
2 qualifying sessions held for a total of 75 minutes on 2-3/2
30 minute pre-race warm-up held

Winners:
Overall:	67	Porsche 962	Wollek / Bell / Andretti
IMSA GTP Lights:	9	Tiga GT288 Buick	Morgan / Morrison / Hessert
IMSA GTO:	16	Lincoln Mercury Cougar XR-7	Halsmer / Earl / Martin / Stewart
IMSA GTU:	17	Mazda RX-7	Bacon / Reed / Millen
Leaders:
laps 116-118:	83	Nissan GTP-ZXT
laps 119-146:	60	Jaguar XJR-9
laps 147-150:	83	Nissan GTP-ZXT
laps 151-158:	60	Jaguar XJR-9
laps 159-160:	83	Nissan GTP-ZXT
laps 161-207:	60	Jaguar XJR-9
laps 1-89:	86	Porsche 962
laps 208-221:	83	Nissan GTP-ZXT
laps 222-250:	60	Jaguar XJR-9
laps 251-287:	83	Nissan GTP-ZXT
lap 288:	60	Jaguar XJR-9
laps 289-443:	83	Nissan GTP-ZXT
laps 444-455:	61	Jaguar XJR-9
laps 456-621:	67	Porsche 962
laps 90-115:	60	Jaguar XJR-9
Fastest Laps:
Overall:	60	Jaguar XJR-9 D	Jan Lammers (NL)	1:42.342	201.533 km/h	lap 3
IMSA GTP Lights:	55	Spice SE86CL Pontiac Firebird GTP	Dan Marvin (USA)	1:58.492	174.065 km/h
IMSA GTO:	11	Lincoln Mercury Cougar XR-7	Dorsey Schroeder (USA)	1:53.252	182.118 km/h	lap 106
IMSA GTU:	87	Mazda RX-7	Lance Stewart (USA)	2:05.549	164.280 km/h	lap 30
Pole Positions:
Overall:	83	Nissan GTP ZX-T	Geoff Brabham (AUS)	1:39.182	207.955 km/h
IMSA GTP Lights:	4	Spice SE88P Buick	Scott Schubot (USA)	1:49.758	187.917 km/h
IMSA GTO:	16	Lincoln Mercury Cougar XR-7	Pete Halsmer (USA)	1:49.192	188.890 km/h
IMSA GTU:	17	Mazda RX-7	Al Bacon (USA)	2:01.248	170.108 km/h
Notes of interest:
Top makes by numbers:	Porsche (13), Chevrolet (9), Mazda (6), Tiga (5), Spice (5)
Top engines by numbers:	Porsche (15), Mazda (14), Chevrolet (11), Ford (6), Buick (5), Pontiac (5)
Top car types by numbers:	Porsche 962 (9), Chevrolet Camaro (9), Mazda RX-7 (5)
Driver nationalities:	USA (169), CDN (14), GB (8), I (6), MEX (5), NL (4), PR (4), F (4), D (3), IRL (3)
Most used colours:	white (37%), red (17%), blue (15%), yellow (13%), green (4%), black (4%)
Engine positions:	mid-engined (56%), front-engined (37%), rear-engined (7%)
Average engine size:	3636 cc (with regard to 19% turbocharged cars and 20% cars with rotary engine an applicable size is 4694 cc)
Oldest known drivers:	Dick Greer (57), Martino Finotto (56), Monte Shelton (55)
Youngest known drivers:	Butch Leitzinger (20), Bill Auberlen (21), Tom Kendall (23)
Female drivers:	Linda Ludemann

Official Race Programme:

Cover	Entry List	Schedule	Track Map