| 1st | 14 | Al Holbert / Derek Bell | Porsche 962 | Holbert Racing | 1:41.5080 |
| 2nd | 0 | Sarel van der Merwe / Ian Scheckter | March 84G Porsche | Kreepy Krauly Racing | 1:42.3570 |
| 3rd | 1 | Bill Whittington | March 84G Chevrolet | Blue Thunder Racing Team | 1:43.1290 |
| 4th | 9 | Bob Wollek / Al Holbert | Porsche 962 | Preston Henn | 1:43.4450 |
| 5th | 7 | Tom Gloy / Klaus Ludwig | Ford Mustang GTP | Team Zakspeed USA | 1:43.9600 |
| 6th | 86 | Bruce Leven / David Hobbs | Porsche 962 | Bayside Disposal Racing | 1:44.3440 |
| 7th | 06 | Geoff Brabham | Ford Mustang GTP | Team Zakspeed USA | 1:44.3530 |
| 8th | 57 | Randy Lanier | March 83G Chevrolet | Blue Thunder Racing Team | 1:44.4380 |
| 9th | 45 | John Paul, Jr. / John Morton | March 85G Buick | Conte Racing | |
| 10th | 85 | Emerson Fittipaldi | March 85G Buick | Ralf Sanchez Racing | 1:44.5540 |
| 11th | 44 | Bob Tullius / Doc Bundy | Jaguar XJR-5 | Group 44 | 1:44.6720 |
| 12th | 04 | Brian Redman / Hurley Haywood | Jaguar XJR-5 | Group 44 | 1:45.6740 |
| 13th | 30 | Giorgio Francia / Gianpiero Moretti | Alba/Momo AR5 Ford | Momo | |
| 14th | 5 | Bob Akin / Jim Mullen | Porsche 962 | Bob Akin Motor Racing | 1:46.4800 |
| 15th | 61 | Don Courtney / Brent O'Neill | Argo JM16 Ford | Team USA/Deco Sales | |
| 16th | 15 | John Kalagian / John Lloyd | March 84G Chevrolet | Kalagian/Ardisana | |
| 17th | 25 | Dave Cowart / Kenper Miller | March 83G Chevrolet | Red Lobster Racing | |
| 18th | 07 | Lyn St. James / Jim Trueman | Argo JM16 Ford | Bell Racestar/LSJ Racing | |
| 19th | 2 | Al Leon / Art Leon | March 84G Chevrolet | Leon Bros Racing | |
| 20th | 3 | Ken Madren / Wayne Pickering / John Paul, Jr. | March 84G Buick Turbo | Pegasus Racing | |
| 21st | 67 | Willy T. Ribbs / Wally Dallenbach, Jr. | Ford Mustang | | 1:50.9190 |
| 22nd | 6 | Charles Morgan / Whitney Ganz | Argo JM16 Buick | Morgan Performance | |
| 23rd | 4 | Terry Labonte | Chevrolet Camaro | Stratagraph Inc. | |
| 24th | 16 | Preston Henn | Porsche 935 L | Henn's Swap Shop | |
| 25th | 18 | "Fomfor" / Albert Naon | Sauber C7 Chevrolet | Team Fomfor Racing | |
| 26th | 62 | Les Lindley / Pancho Weaver | Pontiac Firebird | Oftedahl Racing | |
| 27th | 26 | Werner Frank / Dave White | Porsche 935/80 | Toyota Village | |
| 28th | 47 | Walt Bohren | Chevrolet Corvette C3 | Dingman Brothers Racing | |
| 29th | 66 | J. Kurt Roehrig | Buick Regal | | |
| 30th | 98 | Phil Currin / John Carusso | Chevrolet Corvette | Comp Fibreglass | |
| 31st | 65 | Gary English | Chevrolet Camaro | English Enterprizes | |
| 32nd | 77 | Allen Glick / Billy Scyphers | Chevrolet Corvette | | |
| 33rd | 88 | Jeff Hudlett | Chevrolet Camaro | | |
| 34th | 63 | Jim Downing | Argo JM16 Mazda | RGP 500 Racing | |
| 35th | 8 | Don Knowles / John Heinricy | Chevrolet Corvette | | |
| 36th | 72 | Tommy Riggins / Harold Shafer | Chevrolet Camaro | Centrian Auto Transport | |
| 37th | 79 | Tom Winters | Porsche 924 Carrera GTR | Whitehall Promotions | 1:58.5110 |
| 38th | 43 | Diego Montoya / Brian Goellnicht | BMW M1 | Walker Brown Racing | |
| 39th | 89 | "Jamsal" | Porsche 934 | Scorpio Racing | |
| 40th | 23 | Ricardo Londono / Luis Londono | Chevrolet Corvette | | |
| 41st | 97 | Dave Horchler | Pontiac Firebird | North American Racing | |
| 42nd | 75 | Richard Valentine | Pontiac Firebird | | |
| 43rd | 40 | Uli Bieri | BMW M1 | Bieri Racing | |
| 44th | 76 | Jack Baldwin / Ira Young | Mazda RX-7 | Malibu Grand Prix | |
| 45th | 53 | Howard McCall / Tom Sheehy | Chevrolet Camaro | | |
| 46th | 35 | Dan Schott / Austin Godsey | Pontiac Firebird | | |
| 47th | 12 | George Wilkie / J. Robert Johnson | Osella PA10 BMW | Toyota Village | |
| 48th | 84 | Clay Young | Pontiac Fiero | Dole Fresh Fruitt Racing | |
| 49th | 38 | Roger Mandeville / Amos Johnson | Mazda RX-7 | Mandeville Auto/Tech | |
| 50th | 19 | Greg Walker | Chevrolet Corvette | | |
| 51st | 01 | Don Bell / Mike Brockman | Argo JM16 Buick | Burman-Castrol Racing | |
| 52nd | 87 | John Schneider / Elliot Forbes-Robinson | Porsche 924 Carrera | Performance Motorsports | |
| 53rd | 99 | Chris Cord / Dennis Aase | Toyota Celica | All American Racers | |
| 54th | 32 | George Alderman / Carson Baird | Datsun 280ZX | Alderman Datsun | |
| 55th | 42 | Paul Lewis / Jeff Kline | Mazda RX-7 | Conte Racing | |
| 56th | 17 | Al Bacon / Charles Guest | Mazda RX-7 | Al Bacon Racing | |
| 57th | 50 | Ludwig Heimrath / Ludwig Heimrath, Jr. | Porsche 924 Carrera | | |
| 58th | 68 | Luis Mendez / Chris Marte | Porsche 911 Carrera RSR | Luis Mendez Racing | |
| 59th | 93 | Kelly Marsh | Mazda RX-7 | Mid-O/Rusty Jones | |
| 60th | 11 | Don Yenko | Chevrolet Camaro | | |
| 61st | 49 | Paul Goral / Marty Hinze | Porsche 935 | Paul Goral | |
| 62nd | 92 | Dick Greer | Mazda RX-7 | Dick Greer | |
| 63rd | 73 | Carlos Munoz | Chevrolet Camaro | Jo-Car Enterprises | |
| 64th | 83 | William Wessel | Chevrolet Corvette | | |
| 65th | 60 | Tommy Morrison / Max Jones | Mazda RX-7 | Roserace/Morrison | |
| 66th | 13 | Frank Rubino | Mazda RX-7 | Rubino Racing | |
| 67th | 58 | Fritz Hochreuter / Rainer Brezinka | Porsche Carrera | | |
| 68th | 09 | Mike Schaefer / Peter Uria / Jack Refenning | Porsche 911 | | |
| 69th | 37 | Peter Welter / Tom Burdsall | Mazda RX-7 | Vero Racing | |
| 70th | 96 | Al Levenson / Ted Borkowski | Chevrolet Corvette | | |
| 71st | 81 | Bob Speakman / Paul Brand | Datsun ZX | | |
| 72nd | 82 | Gaston Andrey / Peter Greenfield | Tiga GT284 Mazda | Gaston Andrey | |
| 73rd | 27 | Jim Fowells / Ray Mummery | Mazda RX-7 | Scuderia Rosso | |
| 74th | 28 | Irwin Ayes / Al White | Chevrolet Corvette | | |