Riverside 6 Hours 1979 - Racing Sports Cars

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Event: Los Angeles Times Grand Prix of Endurance		Date: 22.4.1979
Track: Riverside International Raceway (United States), 5.311 kms	Organiser: unknown
Riverside 6 Hours
Winston GT (round 4) FIA World Challenge for Endurance Drivers (round 4) IMSA GTO (round 4) IMSA GTU (round 4) International Motor Sport Association (round 4)

Weather:	warm, dry
Start time:	unknown
Grid:	unknown
Distance:	6 hours
Attendance:	unknown

Entered:	71
Practiced:	66
Qualified:	56
Started:	54
Finished:	28

Classes:	Pract	Start	Class
IMSA GTX	21	19	19
IMSA GTO	16	12	12
IMSA GTU	27	23	23

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

Race notes:
2 full-course caution periods

Pre-race sessions:
1 qualifying sessions held for a total of 20 minutes on 20/4
4 non-qualifying practice sessions held for a total of 180 minutes 19-10/4
20 minute pre-race warm-up held
Qualifying race establishing positions 37-44

Winners:
Overall:	94	Porsche 935/79	Whittington / Whittington
IMSA GTO:	07	Porsche Carrera RSR	Cowart / Miller
IMSA GTU:	83	Datsun 280ZX	Devendorf / Adamowicz
Fastest Laps:
Overall:	59	Porsche 935/79	Peter Gregg (USA)	1:43.870	184.067 km/h	lap 153
IMSA GTO:	55?	Porsche Carrera RSR	Howard Meister (USA)	1:54.180	167.446 km/h	lap 37
IMSA GTU:	83	Datsun 280ZX	Tony Adamowicz (USA)	1:57.720	162.410 km/h	lap 19
Pole Positions:
Overall:	59	Porsche 935/79	Peter Gregg (USA)		189.680 km/h
IMSA GTO:	55?	Porsche Carrera RSR	Howard Meister (USA)		169.165 km/h
IMSA GTU:	83	Datsun 280ZX	Tony Adamowicz (USA)		164.256 km/h
Notes of interest:
Top makes by numbers:	Porsche (37), Chevrolet (6), Mazda (5), Datsun (3), BMW (3)
Top engines by numbers:	Porsche (36), Chevrolet (6), Mazda (5), Datsun (3), BMW (3)
Top car types by numbers:	Porsche 935 (13), Porsche 911 Carrera RSR (8), Porsche 914 (7)
Driver nationalities:	USA (106), CO (4), D (3), GB (3), PR (2)
Engine positions:	rear-engined (54%), front-engined (30%), mid-engined (16%)
Oldest known drivers:	Paul Newman (54), Preston Henn (48), Bob Bondurant (46)
Youngest known drivers:	Manfred Winkelhock (27), Klaus Ludwig (30), Hurley Haywood (31)

Official Race Programme:

Cover	Entry List	Schedule	Track Map

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