(settings) | Login Skip Navigation LinksRSC Home > Races > Laguna Seca 1 Hour IMSA GTO 1991
Event: Grand Auto Supply Camel Grand GT Presented by Toyota at Laguna SecaDate: 20.7.1991
Track: Laguna Seca Raceway (United States), 3.563 kmsOrganiser: unknown

Laguna Seca 1 Hour IMSA GTO
IMSA GTO (round 9)
IMSA GTU (round 9)
International Motor Sport Association (round 13)
Weather:unknown
Start time:16:15
Grid:unknown
Distance:1 hour
Attendance:unknown
Entered:unknown
Practiced:unknown
Started:30
Finished:unknown
Classes:
IMSA GTO
IMSA GTU
IMSA AAC
Photo GalleryEntered CarsTechnical DataAppearanceRace ResultsGrid
Pre-race sessions:
2 non-qualifying practice sessions held for a total of 75 minutes on 19/7
1 qualifying session held for a total of 15 minutes on 19/7
10 minute pre-race warm-up held
Winners:
Overall:63Mazda RX-7Price Cobb
IMSA GTU:07Dodge DaytonaJeff Purner
IMSA AAC:21Oldsmobile CutlassTommy Riggins
Leaders:
laps 1-13:76Nissan 300ZX
laps 14-35:62Mazda RX-7
lap 36:63Mazda RX-7
Fastest Laps:
Overall:75Nissan 300ZXSteve Millen (NZ)1:27.0200147.4030 km/hlap 3
IMSA GTU:07Dodge DaytonaJeff Purner (USA)1:31.7450139.8118 km/hlap 8
IMSA AAC:21Oldsmobile CutlassTommy Riggins (USA)1:31.4080140.3268 km/hlap 28
Pole Positions:
Overall:76Nissan 300ZXJeremy Dale (CDN)1:23.6360153.3673 km/h
IMSA GTU:95Nissan 240SXBob Leitzinger (USA)1:30.0220142.4881 km/h
IMSA AAC:21Oldsmobile CutlassTommy Riggins (USA)1:29.4300143.4312 km/h
Notes of interest:
Top makes by numbers:Mazda (8), Chevrolet (8), Nissan (5), Oldsmobile (3), Dodge (2), Ford (2)
Top engines by numbers:Mazda (8), Chevrolet (8), Nissan (5), Dodge (2), Ford (2)
Top car types by numbers:Mazda RX-7 (7), Chevrolet Camaro (7), Oldsmobile Cutlass (3), Nissan 240SX (3)
Driver nationalities:USA (28)
Most used colours:white (29%), red (25%), blue (25%), black (11%), yellow (7%)
Engine positions:front-engined (96%), rear-engined (4%)
Oldest known drivers:Dick Greer (59), Pete Halsmer (47), David Loring (41)
Youngest known drivers:Bill Auberlen (23), Jeff Purner (29), Jeremy Dale (29)

Official Race Programme:

CoverEntry ListScheduleTrack Map
Programme Cover - Laguna Seca 1 Hour IMSA GTO 1991Entry List - Laguna Seca 1 Hour IMSA GTO 1991Schedule of Events - Laguna Seca 1 Hour IMSA GTO 1991Track Map - Laguna Seca 1 Hour IMSA GTO 1991