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Event: Camel Grand Prix of Heartland ParkDate: 5.5.1990
Track: Heartland Park Topeka (United States), 4.023 kmsOrganiser: unknown

Topeka 2 Hours IMSA GTO
Weather:dry
Start time:unknown
Grid:2-2-2, PP right
Distance:2 hours
Attendance:unknown
Entered:34
Practiced:28
Qualified:28
Started:28
Finished:19
Classes:PractStart
IMSA GTO1010
IMSA GTU1313
IMSA AAC55
Photo GalleryEntered CarsTechnical DataAppearanceRace ResultsGrid
Winners:
Overall:1Mazda RX-7Pete Halsmer
IMSA GTU:37Mazda MX-6Lance Stewart
IMSA AAC:14Buick SomersetKenny Irwin, Jr.
Leaders:
laps 12-40:6Mercury Cougar XR-7
laps 1-7:75Nissan 300ZX T
laps 41-42:1Mazda RX-7
laps 43-52:6Mercury Cougar XR-7
laps 53-67:1Mazda RX-7
laps 8-11:1Mazda RX-7
Fastest Laps:
Overall:9Mercury Cougar XR-7Robby Gordon (USA)1:41.1300143.2220 km/hlap 33
IMSA GTU:95Nissan 240SXBob Leitzinger (USA)1:47.7200134.4591 km/hlap 32
IMSA AAC:14Buick SomersetKenny Irwin, Jr. (USA)1:53.6500127.4440 km/hlap 24
Pole Positions:
Overall:6Mercury Cougar XR-7Dorsey Schroeder (USA)1:41.9290142.0986 km/h
IMSA GTU:95Nissan 240SXBob Leitzinger (USA)1:48.6500133.3084 km/h
IMSA AAC:14Buick SomersetKenny Irwin, Jr. (USA)1:56.7320124.0788 km/h
Notes of interest:
Top makes by numbers:Mazda (10), Nissan (5), Chevrolet (4), Mercury (3), Dodge (3)
Top engines by numbers:Mazda (10), Nissan (5), Chevrolet (4), Ford (3), Dodge (3)
Top car types by numbers:Mazda RX-7 (6), Mazda MX-6 (4), Mercury Cougar (3), Nissan 240SX (3), Dodge Daytona (3), Chevrolet Camaro (3)
Driver nationalities:USA (26)
Team nationalities:USA (23)
Most used colours:white (30%), blue (26%), red (20%), yellow (11%), black (10%)
Engine positions:front-engined (96%), mid-engined (4%)
Oldest known drivers:Dick Greer (58), Elliot Forbes-Robinson (47), Pete Halsmer (46)
Youngest known drivers:Bill Auberlen (22), Mike Davies (27), Jeremy Dale (28)

Official Race Programme:

CoverEntry ListScheduleTrack Map
Programme Cover - Topeka 2 Hours IMSA GTO 1990Entry List - Topeka 2 Hours IMSA GTO 1990Schedule of events is not available.Track map is not available.