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Event: 12 Hours of Sebring, The Coca-Cola ClassicDate: 19.3.1983
Track: Sebring International Raceway (United States), 7.644 kmsOrganiser: unknown

Sebring 12 Hours
Weather:warm, dry
Start time:11:00
Grid:unknown
Distance:12 hours
Attendance:unknown
Entered:98
Practiced:87
Qualified:87
Started:84
Finished:43
Classes:PractStart
IMSA GTP2120
IMSA GTO3837
IMSA GTU2827
Photo GalleryEntered CarsTechnical DataAppearanceRace ResultsGridQualifyingLap Times
Race notes:
5 full-course cautions for 1 hrs, 28 min (23 min)
Pre-race sessions:
3 non-qualifying practice sessions held for a total of 235 minutes on 17/3
2 qualifying sessions for a total of 75 minutes on 18/3
Winners:
Overall:9Porsche 934Baker / Mullen / Nierop
IMSA GTP:5Porsche 935 K3/80Akin / Whittington / O'Steen
IMSA GTU:66Mazda RX-7Dunham / Kline / Compton
Fastest Laps:
Overall:47March 83G ChevroletBill Whittington (USA)2:22.7500192.7833 km/hlap 3
IMSA GTO:14Pontiac FirebirdCarl Shafer (USA)2:35.1300177.3980 km/hlap 2
IMSA GTU:82Mazda RX-7Joe Varde (USA)2:48.4000163.4192 km/hlap 73
Pole Positions:
Overall:09Porsche 935 LJohn Paul, Jr. (USA)2:23.9650191.1563 km/h
IMSA GTO:4Chevrolet Camaro IIIGene Felton (USA)2:32.7870180.1194 km/h
IMSA GTU:82Mazda RX-7Joe Varde (USA)2:43.5100168.3068 km/h
Notes of interest:
Top makes by numbers:Porsche (35), Chevrolet (13), Mazda (12), Ford (5), Pontiac (4)
Top engines by numbers:Porsche (35), Chevrolet (17), Mazda (12), Ford (6), Pontiac (4)
Top car types by numbers:Porsche 911 Carrera (12), Mazda RX-7 (11), Porsche 911 (10)
Driver nationalities:USA (201), CDN (7), PR (6), CO (5), ES (5), GB (2), DR (2)
Most used colours:white (43%), red (24%), yellow (12%), blue (5%), black (5%)
Engine positions:front-engined (46%), rear-engined (35%), mid-engined (19%)
Oldest known drivers:Diego Febles (54), Bob Tullius (53), Billy Hagan (51)
Youngest known drivers:Michael Andretti (21), John Paul, Jr. (23), Dale Whittington (24)
Female drivers:Deborah Gregg, Bonnie Henn, Kathy Rude, Lyn St. James

Official Race Programme:

CoverEntry ListScheduleTrack Map
Programme Cover - Sebring 12 Hours 1983Entry List - Sebring 12 Hours 1983Schedule of Events - Sebring 12 Hours 1983Track Map - Sebring 12 Hours 1983