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 1 30 PORSCHE CARRERA RSR 911 460 9048 George Dyer-Brad Frisselle 234 Laps 1.GTO
 2 58 PORSCHE CARRERA RSR 911 560 5064 Diego Febles-Hiram Cruz 229 Laps 2.GTO
 3 61 PORSCHE 934 930 770 0951 Peter Gregg-Jim Busby 229 Laps 3.GTO
 4 09 PORSCHE 934 John Gunn-Gary Belcher 228 Laps 4.GTO
 5  0 PORSCHE 934 930 770 0953 Danny Ongais-Ted Field-Hurley Haywood 218 Laps 5.GTO
 6  9 PORSCHE CARRERA RSR Rudy Bartling-Klaus Bytzek 217 Laps 6.GTO
 7 24 PORSCHE CARRERA RSR 911 460 9056 Tom Frank-Carl Shafer 214 Laps 7.GTO
 8 50 PORSCHE 911S Gary Hirsch-Fritz Hochreuter-Rainer Brezinka 203 Laps 1.GTU
 9 27 PORSCHE 911S Ray Mummery-Jack Refenning-Joseph Hamilton 203 Laps 2.GTU
10 07 PORSCHE CARRERA RSR Charles Mendez-David Cowart 197 Laps 8.GTO
11 78 CHEVROLET CAMARO Phil Francis-Eugenio Matienzo-John Nowling 196 Laps 9.GTO
12 39 CHEVROLET CORVETTE Wiley Doran-Jim Barnett-Charles Pelz 194 Laps 10.GTO
13 11 PORSCHE 911S Gary Nylander-Bobbee Nylander-Michael Hammond 191 Laps 3.GTU
14 70 PORSCHE 911S Mark Speer-Windle Turley 188 Laps 4.GTU
15 60 PORSCHE 911S Rusty Bond-Ren Tilton 187 Laps 5.GTU
16 72 CHEVROLET CORVETTE Bill Arnold-Billy Hagan 185 Laps 11.GTO
17 65 FERRARI 365GTB4 16407 John Morton-Bobby Carradine 184 Laps 12.GTO
18 01 PORSCHE 911S Bob Bergstrom-Jim Cook 183 Laps 6.GTU
19 06 PORSCHE 911T Gary Mesnick-Dana Roehrig-David Panaccione 182 Laps 7.GTU
20  7 LANCIA STRATOS Anatoly Arutunoff-José Marina-Brian Goellnicht  178 Laps 8.GTU
21 49 CHEVROLET CORVETTE 194679S709810 Sam Fillingham-K.P Jones-Mike Williamson 175 Laps 13.GTO
22 05 CHEVROLET MONZA Trueman Jim Trueman-Jerry Thompson-Don Yenko 172 Laps 14.GTO
23 76 CHEVROLET CORVETTE Greenwood 007 John Greenwood-Burt Greenwood-Rick Mancuso 167 Laps 15.GTO
24 51 PORSCHE 914/6 Robert Kirby-John Hotschkis 164 Laps 9.GTU
25 82 FORD MUSTANG Tom Ross-Paul Tavilla 161 Laps 16.GTO
26 94 CHEVROLET CORVETTE Tony Ansley-Charles Gano-Ron Connelly 160 Laps 17.GTO
27 73 CHEVROLET CORVETTE Clark Howey-David Crabbree-Dale Koch 157 Laps 18.GTO
28 85 PORSCHE 914/6 John Hulen-Ron Coupland-Dave Causey 157 Laps 10.GTU
29 64 FERRARI 365GTB4 14437 Bob Bondurant-Dick Smothers-Milt Minter 151 Laps 19.GTO
30  2 PORSCHE 911S 911 410 1035 Bill Freeman-Paul Newman 150 Laps 11.GTU
31 10 PORSCHE CARRERA RSR Hans Berner-Willy Goebbels 148 Laps 20.GTO
32 98 PORSCHE 911S Juan Montalvo-Tony Garcia-Jorge de Cardenas  145 Laps 12.GTU
33 08 PORSCHE 911S 911 030 1263 Terry Wolters-Lawrence P.Pleasants 144 Laps 13.GTU
34 44 FORD MUSTANG 0F02Z137150 Neil Potter-Bill Boyer 144 Laps 21.GTO
35 18 CHEVROLET CAMARO Terry Wolters-Wayne Miller 138 Laps 22.GTO
36 92 PORSCHE CARRERA RSR Mike Tillson-Dave Olimpi 135 Laps 23.GTO
37 46 PORSCHE CARRERA RSR Mauricio de Narvaez-Albert Naon 130 Laps 25.GTO
38 17 CHEVROLET NOVA Tim Chitwood-Vince Gimondo-Joie Chitwood 128 Laps 1.AC
39 15 CHEVROLET CORVETTE Greenwood 006 George Garcia-Javier Garcia-Jack Baldwin 125 Laps 25.GTO
40 77 PORSCHE 911S Bruce Jennings-Bill Bean 123 Laps 14.GTU
41 31 CHEVROLET CAMARO Paul Bowden-Jimmy Tumbleston-Kenneth LaGrow 122 Laps 26.GTO
42 22 DATSUN 240Z Bill King-Jon Lehew 120 Laps 15.GTU
43 80 CHEVROLET CAMARO Fred Lang-Carmon Salomone 116 Laps 27.GTO
44 03 RENAULT R12 Ron Oyler-Carlos Murati-Martinas Smit 109 Laps 16.GTU
45 86 DE TOMASO PANTERA 1603 Hugh Kleinpeter-Jeff Stevens 93 Laps 28.GTO
46 20 PORSCHE 914/4 471 29 12215 Vince di Lella-Manolo Cueto 93 Laps 17.GTU
47 99 DATSUN 240Z George Shafer-Craig Shafer-Dick Scott 89 Laps 18.GTU
48  4 DE TOMASO PANTERA 2846 Mark Leuzinger-H.David Redszus-Mike van der Werff 89 Laps 29.GTO
49 54 PORSCHE 914/4 Hal Sahlman-Preston Henn-Steve Cook 81 Laps 19.GTU
50 71 PORSCHE 911S Tom Bagley-Chip Mead 77 Laps 20.GTU
51  8 PORSCHE CARRERA RSR 911 460 0035 Bob Beasley-George Stone 74 Laps 30.GTO
52  1 FERRARI 365GTB4 13367 Michael Keyser-Harry Jones 66 Laps 31.GTO
53 36 CHEVROLET CAMARO Tico Almeida-René Rodriguez-Manuel Quintana  62 Laps 32.GTO
54 48 CHEVROLET CORVETTE John Carusso-Luis Sereix-Emory Donaldson 59 Laps 33.GTO
55 68 CHEVROLET CORVETTE Rick Hay-Phil Currin-Rob Hoskins 53 Laps 34.GTO
56 66 CHEVROLET CAMARO Ralph Noseda-Richard Small-Jeffrey Loving 49 Laps 35.GTO
57 67 PORSCHE 911S Dave White-David McClain 48 Laps 21.GTU
58 29 LOTUS ELAN Bonky Fernandez-Manuel Godinez-Tato Ferrer 47 Laps 22.GTU
59 55 CHEVROLET CORVETTE Rick Thompkins-Jim Fitzgerald 45 Laps 36.GTO
60 95 CHEVROLET CORVETTE Marty Hinze-Robert.E Davis 42 Laps 37.GTO
61 41 CHEVROLET CAMARO Herb Jones-Steve Faul 39 Laps 38.GTO
62 28 ALFA ROMEO ALFETTA Gene Budd-Walter Johnston-Paul Spruell 38 Laps 23.GTU
63 40 CHEVROLET CORVETTE Greenwood 008 Dave Heinz-R.V Schulnburg-John Brandt 38 Laps 39.GTO
64  5 PORSCHE 911S Pedro Vasquez-Bill Wolfe-Richard Weiss 35 Laps 24.GTU
65 37 CHEVROLET CAMARO Rollie Walriven-Slim Helson 35 Laps 40.GTO
66 52 MGB GT Charles Kleinschmidt-Guido Levetto 33 Laps 25.GTU
67 26 ALFA ROMEO ALFETTA GT Louie McAlpine-Ernie Smith 26 Laps 26.GTU
68 88 PORSCHE 911S Jim Borsos-Dennis Aase 24 Laps 27.GTU
69 38 PORSCHE CARRERA RSR 911 460 9113 John Paul-John O'steen-John Graves-Bob Hagestad 13 Laps 40.GTO
70 79 SHELBY 350GT Don Nooe-Jim Stricklin 10 Laps 41.GTO
71 19 CHEVROLET CORVETTE 194379S720117 Gene Felton-Richard Bostyan-Ray Kessler 9 Laps 42.GTO
72 57 PORSCHE CARRERA RSR 911 460 0100 John Tunstall-Chuck Wade 2 Laps 44.GTO

Cars that did not start

   00 PORSCHE 934 930 670 0180 Danny Ongais-Ted Field GTO
   04 PONTIAC ASTRE Dale Kreider-Bob DeMarco GTO
   75 CHEVROLET CAMARO Bob Christiansen-Ossie DeLay GTO
   83 PORSCHE 911 Les Delano-John Barringer GTU
   91 FORD MUSTANG Fred Werl-Jay C.Miller-Dan Slodowick GTO
   93 LOTUS EUROPA Ralph Tolman-Jim Fitzgerald-Mike Brockman GTU
    6 AMC GREMLIN Amos Johnson-Dennis Shaw-Steve Anderson GTO
   13 AMC JAVELIN Bob Fryer-Don Yenko-Ed Lowther GTO
   14 CHEVROLET MONZA Dekon 1014 Al Holbert-Michael Keyser GTO
   21 CHEVROLET CORVETTE Dale Kreider-Jack Baldwin GTO
   25 CHEVROLET MONZA Stephen Bond-Dale Kreider GTO
   28 PORSCHE 911 Raymond Gage-Bill Alsup-Richard Weiss GTU
   34 PORSCHE 911 George Drolsom-Tom Bagley GTU
   36 AMC GREMLIN Bill Boye-J.Peter Marinelli GTO
   40 FORD MUSTANG Robert LaMay GTO
   42 PORSCHE 911 Bob Hindson-Frank Carney-Dick Davenport GTU
   45 PORSCHE 911 Carlos Moran-Jamsal GTU
   47 BMW 3.0CSL Kenper Miller-Paul Miller-David Hobbs GTO
   57 FORD PINTO John Poulos-Lee Wiese-Jerry Walsh GTU
   62 FIAT X1/9 TOH0294 Bill Bean-John Kelly GTU
   78 CHEVROLET CORVETTE Babe Headley-Sammy Feinstein-Frank Panzarella GTO
   79 PORSCHE CARRERA RSR Michael Callas-Adrian Gang GTO
   89 CHEVROLET CORVETTE Cliff Gottlob-Dick Gulstrand-Kirke Gottlob GTO
   91 FORD PINTO Steve Jones-Pete Levine GTU
   96 CHEVROLET CAMARO Gene Felton-Buzz Cason-James Reeve GTO