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Event: Questor Grand PrixDate: 28.3.1971
Track: Ontario Motor Speedway (United States), unknown lengthOrganiser: unknown

Questor Grand Prix
Non championship race
Weather:unknown
Start time:unknown
Grid:unknown
Distance:unknown
Attendance:unknown
Entered:37
Practiced:33
Qualified:31
Started:30
Finished:13
Classes:PractStartClass
Formula 1181717
Formula 5000151313
Photo GalleryEntered CarsTechnical DataAppearanceRace ResultsGridRace 1 ResultsRace 2 ResultsQualifyingLap Times
Winners:
Overall:5Ferrari 312 BMario Andretti
Formula 5000:29Lola T190 ChevroletRon Grable
Fastest Laps:
Overall:12BRM P160Pedro Rodriguez (MEX)1:42.7770
Pole Positions:
Overall:8Tyrrell 001 FordJackie Stewart (GB)1:41.2570
Formula 5000:26Lola T192 ChevroletMark Donohue (USA)1:43.2110
Notes of interest:
Top makes by numbers:Lola (7), March (4), McLaren (3), BRM (3), Lotus (3)
Top engines by numbers:Ford (12), Chevrolet (11), BRM (3), Ferrari (2)
Top car types by numbers:Lola T192 (5), Ferrari 312 B (2), BRM P160 (2), Lola T190 (2), March 701 (2), March 711 (2), Lotus 72 (2), Surtees TS8 (2)
Driver nationalities:USA (14), GB (4), NZ (3), S (2)
Most used colours:red (27%), white (16%), blue (14%), orange (11%), yellow (11%), silver (5%)
Engine positions:mid-engined (100%)
Average engine size:3863 cc
Oldest known drivers:Bob Bondurant (38), George Follmer (37), Bobby Unser (37)
Youngest known drivers:Emerson Fittipaldi (25), Swede Savage (25), Jacky Ickx (26)

Official Race Programme:

CoverEntry ListScheduleTrack Map
Programme Cover - Questor Grand Prix 1971Entry list is not available.Schedule of events is not available.Track map is not available.