| 1st | 52 | Sarel van der Merwe / Doc Bundy / Wally Dallenbach, Jr. | Chevrolet Corvette GTP | Hendrick Motorsports | 1:39.3180 |
| 2nd | 86 | Bob Wollek / Derek Daly / Bruce Leven | Porsche 962 | Bayside Disposal Racing | 1:39.8540 |
| 3rd | 16 | Drake Olson / Price Cobb / Rob Dyson | Porsche 962 | Dyson Racing | 1:40.9040 |
| 4th | 0 | Paolo Barilla | Porsche 962 | Joest Racing | 1:42.2480 |
| 5th | 5 | Hans-Joachim Stuck | Porsche 962 | Bob Akin Motor Racing | 1:42.2790 |
| 6th | 67 | Derek Warwick / Darin Brassfield / Jim Busby / Jochen Mass | Porsche 962 | B.F. Goodrich | 1:42.3290 |
| 7th | 68 | Jan Lammers / John Morton / Derek Warwick | Porsche 962 | B.F. Goodrich | 1:42.5810 |
| 8th | 3 | Thierry Boutsen / Oscar Larrauri | Porsche 962 | Brun Motorsports | 1:42.7900 |
| 9th | 14 | Al Holbert / Derek Bell / Al Unser, Jr. | Porsche 962 | Holbert Racing | 1:43.1900 |
| 10th | 44 | Bob Tullius / Claude Ballot-Léna / Chip Robinson | Jaguar XJR-7 | Group 44 | 1:43.9530 |
| 11th | 45 | John Paul, Jr. / Chip Ganassi / Ivan Capelli / Whitney Ganz | Hawk-March 85G Buick | RC Buick Hawk/Conte | 1:44.3860 |
| 12th | 46 | Whitney Ganz / Ken Madren | Hawk-March 85G Buick | RC Buick Hawk/Conte | 1:44.6210 |
| 13th | 04 | Vern Schuppan / Brian Redman / Hurley Haywood | Jaguar XJR-7 | Group 44 | 1:44.7070 |
| 14th | 8 | A. J. Foyt / Arie Luyendyk / Danny Sullivan / Preston Henn | Porsche 962 | Henn's Swap Shop Racing | 1:44.9980 |
| 15th | 2 | Al Leon / Jim Fitzgerald / Harald Grohs | March 85G Porsche | Leon Brothers Racing | 1:48.2580 |
| 16th | 10 | Jim Leeward / Bill Adam / Chip Mead | March 82G Chevrolet | Leeward Racing | 1:48.9630 |
| 17th | 07 | Scott Pruett / Klaus Ludwig / Bruce Jenner | Ford Mustang | 7-Eleven/Roush Racing | 1:49.7090 |
| 18th | 47 | Steve Millen / Elliot Forbes-Robinson / Tommy Riggins | Pontiac Firebird | Dingman Bros Racing | 1:50.7540 |
| 19th | 4 | Lew Price / Jim Mullen / Matt Whetstine | Chevrolet Corvette GTP | Lee Racing | 1:51.1330 |
| 20th | 00 | Jim Adams / Costas Los / John Hotchkis | March 83G Porsche | Hotchkis Racing | 1:51.5440 |
| 21st | 33 | Bard Boand / Richard Anderson / Mike Allen | Lola T600 Chevrolet | Bo-And Racing | 1:51.5840 |
| 22nd | 98 | Dennis Aase / Chris Cord | Toyota Celica Turbo | All American Racers | 1:52.6260 |
| 23rd | 80 | Martino Finotto / Ruggero Melgrati / Almo Coppelli | Alba AR6 Ferrari | Carma Racing | 1:53.1670 |
| 24th | 50 | Bill Elliot / Ricky Rudd / Kyle Petty / Ken Schrader | Ford Mustang | Folgers/Motorcraft | 1:53.2620 |
| 25th | 72 | Bob Bergstrom / Gene Felton / Paul Gentilozzi | Oldsmobile Toronado | Whitehall Rocketsports | 1:53.3950 |
| 26th | 28 | Terry Labonte | Oldsmobile Calais | Texas Enterprises/US Tobacco | 1:53.6150 |
| 27th | 48 | Don Walker / Brian Goellnicht / Charles Monk | March 83G Chevrolet | Global American | 1:53.6420 |
| 28th | 9 | Mike Brockman / Steve Durst / Deborah Gregg / Jim Trueman | Tiga GT285 Mazda | Rinzler Motoracing | 1:54.4970 |
| 29th | 62 | Tim Coconis / Fernando Robles / Chris Marte | Ford Mustang | Roush Racing | 1:54.9790 |
| 30th | 6 | Charles Morgan / Logan Blackburn / David Simpson | Tiga GT286 Buick | Morgan Performance | 1:55.5720 |
| 31st | 01 | Don Bell / Terry Wolters / Craig Carter | Royale RP40 Buick | AT & T | 1:56.5510 |
| 32nd | 43 | Steve Cohen / David Christian / Tom Congleton | BMW M1 | Global American | 1:57.1260 |
| 33rd | 66 | Jim Rothbarth / Jeff Kline / Mike Meyer | Royale RP40 Mazda | STS-Mike Meyer Racing | 1:57.1520 |
| 34th | 90 | Les Delano / Andy Petery | Pontiac Firebird | Road Circuit Technology | 1:57.1560 |
| 35th | 64 | Lee Mueller / Maurice Hassey / Lanny Hester | Ford Mustang | Raintree Corporation | 1:57.4730 |
| 36th | 55 | Dave Heinz / Steve Zwiren / Don Yenko / Jerry Thompson | Chevrolet Corvette | Dave Heinz Imports | 1:57.7170 |
| 37th | 37 | Peter Welter / Roy Newsome / Tom Burdsall | Tiga GT285 Mazda | Burdsall-Newsome Racing | 1:58.3030 |
| 38th | 06 | Miguel Morejon / Joe Varde / Tico Almeida | Porsche 935 M16 | Hi-Tech Racing | 1:58.4270 |
| 39th | 82 | William Wessel / Mark Kennedy / David Fuller / Karl Keck | Chevrolet Corvette C3 | K & P Racing | 1:59.1500 |
| 40th | 92 | Ash Tisdelle | Chevrolet Camaro | Van Every Racing | 1:59.2130 |
| 41st | 93 | Ron Pawley / Don Marsh / Kelly Marsh | Argo JM16 Mazda | Mid O/Rusty Jones | 1:59.5370 |
| 42nd | 77 | Leo Franchi / Steve Gentile / Rick Knoop | Ford Thunderbird | Brooks Racing | 1:59.5830 |
| 43rd | 76 | Nort Northam / Greg Walker / Craig Rubright | Chevrolet Corvette | Walker Racing | 1:59.8480 |
| 44th | 26 | Ken Bupp / John Hayes-Harlow / Del Russo Taylor | Pontiac Firebird | Walter Johnston | 1:59.8690 |
| 45th | 13 | Frank Rubino / Ray Mummery / John Schneider | Argo JM19 Mazda | Outlaw Racing | 2:00.8370 |
| 46th | 87 | Ron Grable / Don Knowles / John Heinricy / Bobby Carradine | Chevrolet Corvette | Morrison Cook Motorsport | 2:01.4030 |
| 47th | 38 | Roger Mandeville / Danny Smith / Diego Febles | Mazda RX-7 | Mandeville Auto Tech | 2:01.4380 |
| 48th | 88 | Jack Baldwin / Bob McConnell / Tommy Morrison / Don Knowles | Chevrolet Corvette | Morrison Cook Motorsport | 2:01.9280 |
| 49th | 30 | Buz McCall / Pancho Carter / Jim Mueller / Tom Sheehy | Chevrolet Camaro III | Skoal Bandit | 2:01.9640 |
| 50th | 75 | Bob Reed / Tom Kendall / John Hogdal | Mazda RX-7 | CCR | 2:02.0690 |
| 51st | 71 | Amos Johnson / Dennis Shaw / Jack Dunham | Mazda RX-7 | Team Highball | 2:02.2710 |
| 52nd | 74 | Bill McDill / Richard McDill / Tom Juckette | Chevrolet Camaro | Bill McDill | 2:02.4060 |
| 53rd | 83 | Paul Reisman / Bob Hebert / Tom Gaffney / Richard Stone | Pontiac Firebird | Import Restorations | 2:02.5380 |
| 54th | 17 | Al Bacon / Bill Scott / Dennis Krueger | Mazda RX-7 | Al Bacon Racing | 2:02.9320 |
| 55th | 25 | Robert Peters | Chevrolet Camaro | Lucas Truck Service | 2:04.5520 |
| 56th | 36 | Dave Panaccione | Porsche 924 Carrera | Case Racing | 2:04.6430 |
| 57th | 29 | Oma Kimbrough / Chris Gennone / Hoyt Overbagh / Pieter Baljet | Chevrolet Camaro III | OMR Engines | 2:05.5530 |
| 58th | 11 | Paul Lewis | Lola T616 Mazda | Kendall Racing | 2:06.2310 |
| 59th | 32 | Bob Leitzinger / Mike Carder / Louis Baldwin / Steve Alexander | Nissan 280ZX | Alderman Nissan | 2:06.2650 |
| 60th | 78 | Peter Uria / Larry Figaro / Jack Refenning | Porsche 911 Carrera RSR | 901 Racing | 2:06.9700 |
| 61st | 56 | Diego Montoya / Albert Naon, Jr. / Carlos Migoya | Pontiac Firebird | Ricardo Londono | 2:08.7750 |
| 62nd | 02 | Richard Stevens / Luis Sereix / Roy Newsome / Dale Kreider | Mazda RX-7 | Roy Newsome Racing | 2:09.2540 |
| 63rd | 35 | Mandy Gonzalez / Ernesto Soto / Basilio Davila / Diego Montoya | Royale RP40 Porsche | Xtra Super Food CNT | 2:09.5890 |
| 64th | 89 | Tom Hunt / James Shelton / Paul Romano | Mazda RX-7 | Tom Hunt | 2:10.8990 |
| 65th | 57 | Reed Kryder / Tom Palmer / Fred Staffilino / Rod Whelan | Nissan 280ZX | Kryderacing | 2:11.7490 |
| 66th | 54 | Karl Durkheimer / Gary Auberlen / Cary Eisenlohr / Peter Jauker | Porsche 911 | S-P Racing/Escort | 2:12.2120 |
| 67th | 34 | Kikos Fonseca / Luis Mendez / "Jamsal" | Porsche 934 | Latino Racing | 3:20.5120 |
| 68th | 27 | Dave Cowart / Kenper Miller / Jim Fowells | Argo JM19 Mazda | M S B Racing | no time |
| 69th | 63 | Jim Downing / John O'Steen / John Maffucci | Argo JM19 Mazda | Certified Brakes | no time |
| 70th | 99 | David Andrews / Steve Phillips / Duncan Bain | Tiga GC285 Ford Turbo | R. B. Promotions | no time |