| 1st | 14 | Al Holbert / Jim Trueman | March 83G Chevrolet | Holbert Racing | 1:36.2840 |
| 2nd | 12 | Derek Bell / Rolf Stommelen | Porsche 935/78-81 | John Fitzpatrick | 1:36.9000 |
| 3rd | 41 | Chris Cord / Jim Adams | Lola T600 Chevrolet | Rayfin | 1:37.3300 |
| 4th | 2 | John Fitzpatrick / David Hobbs / Derek Bell | Porsche 935 K4 | John Fitzpatrick | 1:38.2100 |
| 5th | 46 | Bob Wollek / Mauricio DeNarvaez | Porsche 935/78-81 | DeNarvaez Enterprises | 1:39.6300 |
| 6th | 44 | Bob Tullius / Bill Adam | Jaguar XJR-5 | Group 44 | 1:39.7300 |
| 7th | 10 | Ralph Kent-Cooke / Harald Grohs | Lola T600 Chevrolet | Cooke Racing | 1:40.2500 |
| 8th | 45 | John Morton / Richard Spenard / Bob Lobenberg | Mirage M12 Ford | Conte Racing | 1:40.5200 |
| 9th | 6 | Michael Andretti / A. J. Foyt / Mario Andretti / Preston Henn | Porsche 935 K3 | PPG Industries | 1:40.5200 |
| 10th | 09 | A. J. Foyt / Mario Andretti / Bill Whittington | Porsche 935 L | PPG Industries | 1:40.8700 |
| 11th | 30 | Gianpiero Moretti | March 83G Porsche | Momo Corse | 1:35.1800 |
| 12th | 22 | Drake Olson | Nimrod NRA/C2 Aston Martin | Nimrod Racing | 1:42.5400 |
| 13th | 3 | Skeeter McKitterick | Grid Plaza S1 Ford | Grid Motor Racing | 1:44.1900 |
| 14th | 50 | George Dyer | Porsche 935 K3/80 | Drax Racing | 1:44.4000 |
| 15th | 86 | Bruce Leven / Hurley Haywood | Lola T600 Porsche Turbo | Bayside Disposal | 1:44.9100 |
| 16th | 5 | Bob Akin / Dale Whittington | Porsche 935 K3/80 | Bob Akin | 1:45.7100 |
| 17th | 83 | Don Devendorf | Datsun 280ZX Turbo | Electramotive | 1:46.1370 |
| 18th | 9 | Wayne Baker / Jim Mullen / Kees Nierop | Porsche 934 | Personalized Autohaus | 1:47.1200 |
| 19th | 4 | Billy Hagan / Gene Felton | Chevrolet Camaro III | Stratagraph | 1:47.6300 |
| 20th | 24 | M. L. Speer / Ken Madren | Porsche 935 JLP-2 | Pegasus III Racing | 1:48.5400 |
| 21st | 80 | Les Lindley / Les Lindley II / Bill Cooper | Chevrolet Camaro | Lindley Motors | |
| 22nd | 26 | Bruce Jenner / John Bauer | Ford Mustang | TMG Brooks Racing | |
| 23rd | 11 | Chuck Kendall / Jim Cook | BMW M1 | Charles Kendall | |
| 24th | 25 | Dave Cowart | March 82G Porsche | Red Lobster Racing | |
| 25th | 7 | Pete Halsmer / Rick Knoop | Mazda RX-7 | Racing Beat | |
| 26th | 28 | Bruno Beilcke / Kurt König | BMW M1 | Al Mardikian Engineering | |
| 27th | 99 | Dennis Aase / Michael Chandler | Toyota Celica | All-American Racers Toyota Motorsports | 1:57.7110 |
| 28th | 55 | Diego Montoya / Tony Garcia | BMW M1 | B de T Racing | |
| 29th | 43 | Bob Gregg | Chevrolet Camaro | Bob Gregg Racing | |
| 30th | 79 | Tom Winters / Bob Bergstrom | Porsche 924 Carrera GTR | Whitehall-Promotions Racing | |
| 31st | 38 | Roger Mandeville / Amos Johnson | Mazda RX-7 | Mandeville Racing | |
| 32nd | 82 | Joe Varde / Jack Baldwin | Mazda RX-7 | Western Airlines | |
| 33rd | 91 | John Martin | Datsun ZX | Racing Systems | |
| 34th | 58 | Deborah Gregg / Kathy Rude | Porsche 924 Carrera | Brumos Racing | |
| 35th | 96 | Lee Mueller | Mazda RX-7 | Kent Racing | |
| 36th | 92 | Terry Visger / Rocky Moran | Mazda RX-7 | Kent Racing | |
| 37th | 16 | Boy Hayje / Roberto Moreno | BMW 320i | William Karges | |
| 38th | 66 | Jack Dunham | Mazda RX-7 | Mike Meyer Racing | |
| 39th | 71 | Charles Morgan / Jim Miller | Datsun 280ZX | Morgan Performance Group | |
| 40th | 98 | Wally Dallenbach, Jr. / Whitney Ganz / Dennis Aase | Toyota Celica | All-American Racers Toyota Motorsports | |
| 41st | 36 | Jim Busby / Ron Grable | Porsche 924 Carrera | Herman Miller Porsche Audi | |
| 42nd | 0 | Kikos Fonseca / "Jamsal" | Porsche Carrera RSR | Latino Racing | |
| 43rd | 48 | Bob Leitzinger / Max Jones | Datsun ZX | Datsun Alley | |
| 44th | 35 | Al Leon / Wayne Pickering / Paul Gilgan | Porsche Carrera RSR | Pegasus Racing | |
| 45th | 56 | Rick Borlase / Michael Hammond | Porsche Carrera | Rick Borlase | |
| 46th | 97 | Gene Hackman / Margie Smith-Haas / Wally Dallenbach, Jr. | Toyota Celica | All-American Racers Toyota Motorsports | |
| 47th | 31 | Tom Alan Marx / Dennis Lanfre / Connie Fern | Porsche 911 Carrera RSR | RSR Associates | |
| 48th | 53 | Steve Michaelson | Porsche Carrera | Nardi Motors | |
| 49th | 49 | Bob Copeman / Jerry Jolly | Porsche Carrera RSR | Copeman Racing | |
| 50th | 33 | David Christian / Ed Swart | Chevrolet Camaro | Christian Racing | |
| 51st | 60 | John Zouzelka | Mazda RX-7 | Morrison Motorsport | |
| 52nd | 08 | Peter Jauker / Gary Auberlen / Adrian Gang | Porsche 911 | Speedy Porsche Racing | |
| 53rd | 70 | Brent Regan / Larry Chmura / Jon Koobation | Porsche 911 | Brent Regan | |
| 54th | 07 | Chuck McConnell / Richard Woodbury / Bruce Campbell | Porsche 911 Carrera | Beverly Hill Porsche Audi | |
| 55th | 74 | Casey Mollett / Brit Wootten | Datsun Z | Mother Margarets Racing | |
| 56th | 18 | "Fomfor" / Albert Naon | BMW M1 | Fomfor Racing | |