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The 12 Hours of Sebring, The Coca-Cola Classic, was the third round of the 1983 IMSA GT Championship and was held at the Sebring International Raceway, on March 19, 1983.^[1] Victory overall went to the No. 9 Personalized Autohaus Porsche 934 driven by Wayne Baker, Jim Mullen, and Kees Nierop.^[1]^[2]^[3]

Race results

Class winners in bold.

Pos	Class	No	Team	Drivers	Car	Laps
1	GTO	9	Personalized Autohaus	Wayne Baker Jim Mullen Kees Nierop	Porsche 934	231
2	GTP	5	Bob Akin Motor Racing	Bob Akin Dale Whittington John O'Steen	Porsche 935	231
3	GTP	86	Bayside Disposal Racing	Hurley Haywood Al Holbert	Porsche 935	229
4	GTO	61	Vista Racing	Don Courtney Luis Sereix Brent O'Neill	Chevrolet Monza	227
5	GTP	22	Nimrod Racing	Reggie Smith Lyn St. James Drake Olson	Nimrod NRA/C2	224
6	GTU	66	Mike Meyer Racing	Jack Dunham Jeff Kline Jon Compton	Mazda RX-7	224
7	GTO	65	Manuel Villa	Luis Gordillo Manuel Villa Chiqui Soldevilla	Porsche 911 Carrera RSR	224
8	GTU	82	Trinity Racing	Joe Varde Jack Baldwin John Casey	Mazda RX-7	223
9	GTO	01	Marketing Corporation of America	John Morton Tom Klausler	Ford Mustang	222
10	GTO	35	Pegasus Racing	Al Leon Paul Gilgan Wayne Pickering	Porsche 911 Carrera RSR	222
11 DNF	GTP	10	Cooke Racing	Ralph Kent-Cooke Jim Adams Josele Garza	Lola T600	221
12	GTP	94	Henn's Swap Shop Racing	Don Whittington Bill Whittington	Porsche 935	218
13	GTP	3	Grid Motor Racing	Skeeter McKitterick Milt Minter	Grid S1	216
14	GTU	37	Burdsall/Welter	Peter Welter Tom Burdsall Nort Northam	Mazda RX-7	216
15	GTU	23	Roe/Selby	Tim Selby Earl Roe	Porsche 911 Carrera RSR	210
16	GTO	83	R&H Racing	Rainer Brezinka Rudy Bartling Roger Schramm	Porsche 911 Carrera RSR	204
17	GTU	92	Kent Racing	Lee Mueller Terry Visger	Mazda RX-7	204
18	GTU	63	RGP 500 Racing	Jim Downing John Maffucci Chuck Ulinski	Mazda RX-7	204
19	GTU	11	Paul Goral	Paul Goral Larry Figaro Peter Uria	Porsche 911	202
20	GTO	69	Hiram Cruz Racing	Mandy Gonzalez Hiram Cruz	Porsche 934	201
21 DNF	GTO	7	Racing Beat	Pete Halsmer Rick Knoop	Mazda RX-7	199
22	GTU	90	901 Shop	Mike Schaefer Doug Zitza Jack Refenning	Porsche 911 SC	198
23	GTO	06	Juan Lopez	Juan Lopez Luis Mendez	Porsche 911 Carrera	192
24	GTO	89	Taca El Salvador	"Jamsal" Eduardo Barrientos Eduardo Galdamez	Porsche 911 Carrera RSR	188
25	GTU	27	Scuderia Rosso	Jim Fowells Ray Mummery Steve Potter	Mazda RX-7	185
26	GTO	14	Oftedahl Racing	Carl Shafer Carlos Ramirez Mike Meldeau	Pontiac Firebird	185
27	GTU	68	Jack Rynerson	Jack Rynerson Van McDonald Chris Wilder	Porsche 911	183
28	GTO	57	Dave Heinz Racing	Dave Heinz Jerry Thompson Paul Gentilozzi	Chevrolet Camaro	181
29	GTO	03	Bob's Speed Products	Bob Lee Timothy S. Lee Gary Myers	Ford Maverick	180
30	GTU	91	Bryant & Graham Racing	Charles W. Bryant Alex Priest Mike Guido	BMW 2002	178
31 DNF	GTU	93	Foreign Exchange	John Higgins James King Chip Mead	Porsche 911	175
32	GTU	30	Case Racing	Ron Case Craig Case Dave Pannacione	Porsche 911	173
33 DNF	GTU	60	Team Morrison	Jim Cook Steve Dietrich Al Bacon	Mazda RX-7	168
34	GTU	51	Red Roof Inns	Doug Carmean Don Herman	Mazda RX-7	167
35	GTO	58	Brumos Racing	Deborah Gregg Kathy Rude Bonnie Henn	Porsche 924 Carrera GTR	165
36	GTO	96	Weld Fixturing	Phil Byrd Freddy Baker Robert Kirby	Porsche 911 Carrera RSR	162
37	GTU	42	Gary Wonzer	Gary Wonzer Bill Bean Buzz Cason	Porsche 911	162
38 DNF	GTU	95	Ned Skiff	Ned Skiff Jim Leo	Renault 12	159
39 DNF	GTO	19	Van Every Racing	Lance van Every Ash Tisdelle	Porsche 911 Carrera RSR	153
40 DNF	GTO	02	Marketing Corporation of America	Ronnie Bucknum John Bright	Ford Mustang	153
41	GTO	4	Stratagraph	Billy Hagan Gene Felton Sam Moses Lloyd Frink	Chevrolet Camaro	153
42	GTU	04	Di Lella Racing	Vince DiLella Manuel Cueto	Porsche 911	152
43	GTO	79	Whitehall/Promotion	Tom Winters Bob Bergstrom Peter Dawe	Porsche 924 Carrera GTR	148
44 DNF	GTP	24	Pegasus III Racing	M. L. Speer Ken Madren Ray Ratcliff	Porsche 935	145
45 DNF	GTO	49	OMR Engines	Hoyt Overbagh Peter Kirill Paul Romano	Chevrolet Monza	145
46 DNF	GTO	13	Oftedahl Racing	Paul Fassler Steve Pope Carl Shafer	Pontiac Firebird	142
47	GTO	18	Diehl Hi-Pro	Carmen Lista David Marks Roy Newsome Bobby Diehl	Chevrolet Camaro	140
48	GTU	76	Hi Fi Hospital	Timothy Lee Al White Irwin Ayes	Ford Capri	140
49	GTO	15	DL Performance Engineering	Doug Lutz Mike Brummer Larry Connor	Porsche 911 Carrera RSR	139
50 DNF	GTO	36	Herman + Miller P+A	Paul Miller Jim Busby Ron Grable	Porsche 924 Carrera GTR	132
51	GTU	87	Don Flores	Robert Gottfried Tom Turner Donald Flores	Porsche 911	131
52 DNF	GTP	16	Hinze Fencing	Marty Hinze Randy Lanier Terry Wolters	March 82G	128
53	GTO	33	Karl Keck	Karl Keck Bill McDill Robert Whitaker	Chevrolet Corvette	128
54 DNF	GTO	29	Overby's	Robert Overby Don Bell Chris Doyle	Chevrolet Camaro	127
55	GTU	75	Bryant & Graham Racing	Cameron Worth Alan Crouch Janis Taylor	Ford Pinto	127
56 DNF	GTP	09	Henn's Swap Shop Racing	Derek Bell Michael Andretti John Paul Jr.	Porsche 935	125
57 DNF	GTP	8	Shelton Ferrari	Steve Shelton Tom Shelton	Ferrari 512 BB	120
58 DNF	GTP	44	Group 44	Bob Tullius Bill Adam	Jaguar XJR-5	95
59 DNF	GTO	34	Drolsom Racing	George Drolsom Steve Cohen William Gelles	Porsche 924 Carrera GTR	94
60 DNF	GTO	26	Centurion Leasing	Tom Nehl Nelson Silcox Patty Moise	Chevrolet Camaro	92
61 DNF	GTP	21	Nimrod Racing	Victor Gonzalez Drake Olson	Nimrod NRA/C2	86
62 DNF	GTP	05	T&R Racing	Tico Almeida Ernesto Soto	Porsche 935	82
63 DNF	GTO	99	Londono Bridge Racing	Gustavo Londono Carlos Munoz Hugo Gralia	Porsche 911 Carrera RSR	81
64 DNF	GTO	20	Paul Canary Racing	Paul Canary Jim Sanborn	Pontiac Firebird	78
65	GTU	52	TFC Racing	Dick Gauthier Tom Cripe Ron Collins Bill McVey	Porsche 911	67
66 DNF	GTP	77	Z&W Enterprises	Pierre Honegger Walt Bohren	Mazda GTP	61
67 DNF	GTO	64	Marcus Opie	Marcus Opie Tim Morgan Grant Bradley	Chevrolet Corvette	59
68 DNF	GTU	78	Der Klaus Haus	Klaus Bitterauf Vicki Smith Scott Flanders	Porsche 911	59
69 DNF	GTO	28	Air Florida	"Fomfor" Arnoldo Kreysa Albert Naon	BMW M1	58
70 DNF	GTU	38	Mandeville Auto/Tech	Roger Mandeville Amos Johnson Danny Smith	Mazda RX-7	56
71 DNF	GTO	54	Daniel Vilarchao	Reynaldo Fernandez Daniel Vilarchao	Chevrolet Camaro	56
72 DNF	GTO	6	Shafer Motor Racing	Craig Shafer George Shafer Joe Maloy	Chevrolet Camaro	55
73 DNF	GTP	74	Mark Wagoner	Del Russo Taylor Larry Figaro	Chevron GTP	53
74 DNF	GTP	12	The Cummings Marque	Don Cummings Craig Rubright Charles Gano	Chevrolet Monza	50
75 DNF	GTP	25	Red Lobster Racing	Dave Cowart Kenper Miller Mauricio de Narváez	March 82G	46
76 DNF	GTU	31	Pegasus Racing	Jack Griffin John Zouzelka	Porsche 914	38
77 DNF	GTO	50	Latino Racing	Kikos Fonseca Tato Ferrer Diego Febles	Porsche 911 Carrera RSR	36
78 DNF	GTU	08	Diehl Hi Pro Enterprises	Bobby Diehl Roy Newsome	Mazda RX-7	29
79 DNF	GTP	39	Holly Racing	John Gunn Ricardo Londono	Phoenix JG1	26
80 DNF	GTO	40	Bieri Racing	Uli Bieri Matt Gysler Duff Hubbard	BMW M1	21
81 DNF	GTO	07	Londono Bridge Racing	Fred Flaquer Gustavo Londono Ricardo Londono Rene Rodriguez	Porsche 911 Carrera RSR	21
82 DNF	GTP	17	Dingman Bros. Racing	Billy Dingman Roger Bighouse	Chevrolet Corvette	11
83 DNF	GTP	47	Pepe Romero	Bill Whittington Pepe Romero Doc Bundy	March 83G	8
84 DNF	GTO	62	Bill Nelson	Bill Nelson Dale Kreider Lojza Vosta	Pontiac Firebird	1
DNS	GTP	2	Hinze Fencing	Marty Hinze Randy Lanier Terry Wolters	Porsche 935	0
DNS	GTO	53	Superior Racing Team	Raul Garcia Eugenio Matienzo	Chevrolet Camaro	0
DNS	GTU	80	Hallet Motor Racing Circuit	Anatoly Arutnoff Jose Marina	Lancia Stratos HF	0