| 1st | 14 | Al Holbert | Porsche 962 | Holbert Racing | 1:14.5180 | 195.9248 |
| 2nd | 45 | John Paul, Jr. / Bill Adam | March 85G Buick | Conte Racing | 1:14.5880 | |
| 3rd | 86 | Bruce Leven / David Hobbs | Porsche 962 | Bayside Disposal Racing | 1:15.6760 | |
| 4th | 04 | Brian Redman / Hurley Haywood | Jaguar XJR-5 | Group 44 | 1:15.9330 | |
| 5th | 44 | Bob Tullius / Chip Robinson | Jaguar XJR-5 | Group 44 | 1:16.4180 | |
| 6th | 29 | Darin Brassfield | March 85G Chevrolet | DeAtley Motosports | 1:17.4370 | |
| 7th | 22 | Art Leon / Don Whittington | March 84G Chevrolet | Leon Bros. Racing | 1:17.7340 | |
| 8th | 68 | Pete Halsmer / John Morton | Porsche 962 | B.F. Goodrich | 1:17.9620 | |
| 9th | 67 | Jim Busby / Rick Knoop | Porsche 962 | B.F. Goodrich | 1:18.0010 | |
| 10th | 62 | Steve Shelton / Darin Brassfield | March 82G Chevrolet | Shelton Ferrari | 1:18.0220 | |
| 11th | 15 | John Kalagian | March 85G Porsche | Kalagian Ardisana | 1:18.3460 | |
| 12th | 2 | Al Leon / Skeeter McKitterick | March 85G Porsche | Leon Bros. Racing | 1:18.6300 | |
| 13th | 61 | Brent O'Neill / Lyn St. James | Argo JM16 Ford | Team USA/Deco Sales | 1:19.1770 | |
| 14th | 5 | Bob Akin / Jim Mullen | Porsche 962 | Bob Akin Motor Racing | 1:19.3530 | |
| 15th | 25 | Dave Cowart / Kenper Miller | March 83G Chevrolet | Red Lobster Racing | 1:20.2480 | |
| 16th | 3 | Ken Madren / Wayne Pickering | March 84G Buick Turbo | Royal Crown Cola | 1:21.2250 | |
| 17th | 33 | Richard Anderson / Bard Boand | Lola T600 Chevrolet | Bo-And Racing | 1:23.5490 | |
| 18th | 7 | John Bauer / Greg Pickett | Ford Thunderbird | Brooks/7-Eleven/Ford | 1:23.7870 | 174.2517 |
| 19th | 65 | John Jones / Wally Dallenbach, Jr. | Ford Mustang | Roush Protofab | 1:23.8670 | |
| 20th | 47 | Walt Bohren | Pontiac Firebird | Dingman Bros. Racing | 1:25.2460 | |
| 21st | 63 | Jim Downing / John Maffucci | Argo JM16B Mazda | RGP 500 Brake Pads | 1:25.2770 | 171.2068 |
| 22nd | 72 | Elliot Forbes-Robinson / Tom Winters | Fabcar CL Porsche | Whitehall Motorsports | 1:26.2600 | |
| 23rd | 91 | Chester Vincentz / Kees Nierop | Porsche 934 | Electrodyne Performance | 1:26.9250 | |
| 24th | 20 | Joe Hill / Steve Alexander | Rondeau M382 Chevrolet | Goral Racing | 1:27.3130 | |
| 25th | 8 | Tim Coconis | Lola T616 Polimotor | Polimotor Research | 1:27.6030 | |
| 26th | 12 | Ken Murray / Phil Currin | Pontiac Firebird | KMR Motorsports | 1:27.6900 | |
| 27th | 79 | Bob Bergstrom | Porsche 924 Carrera GTR | Whitehall Motorsports | 1:28.0780 | 165.7624 |
| 28th | 84 | Clay Young | Pontiac Fiero | Entech Racing Fiero | 1:28.6420 | |
| 29th | 99 | Chris Cord / Dennis Aase | Toyota Celica | All American Racers | 1:29.0170 | |
| 30th | 93 | Kelly Marsh | Argo JM16 Mazda | Mid-O/Rusty Jones | 1:29.0260 | |
| 31st | 76 | Jack Baldwin | Mazda RX-7 | Malibu Grand Prix | 1:29.3440 | |
| 32nd | 30 | Jim Fay | Pontiac Firebird | Schott Racing | 1:29.5660 | |
| 33rd | 90 | Andy Petery | Pontiac Firebird | Road Circuit Tech. | 1:30.0180 | |
| 34th | 42 | Scott Pruett | Mazda RX-7 | Mike Meyer-Daffy Swr | 1:30.8150 | |
| 35th | 71 | Amos Johnson / Jack Dunham | Mazda RX-7 | Team Highball | 1:31.2430 | |
| 36th | 53 | Danny Smith | Mazda RX-7 | Mandeville Auto Tech | 1:31.2680 | |
| 37th | 38 | Roger Mandeville / Danny Smith | Mazda RX-7 | Mandeville Auto Tech. | 1:31.2770 | |
| 38th | 41 | Luis Sereix / Daniel Urrutia | Pontiac Firebird | Unlimited Telephone | 1:31.6800 | |
| 39th | 23 | Frank Carney / Dick Davenport | Nissan 200SX | Don Preston Racing | 1:31.7980 | |
| 40th | 24 | Del Russo Taylor / John Hayes-Harlow / Arvid Albanese | Pontiac Firebird | Walter Johnston | 1:31.8710 | |
| 41st | 17 | Al Bacon / Charles Guest | Mazda RX-7 | Al Bacon Racing | 1:32.4170 | |
| 42nd | 32 | George Alderman | Nissan 280ZX | Alderman Nissan | 1:33.5220 | |
| 43rd | 35 | Bobby Hefner / Skip Winfree | Porsche 911 | | 1:33.7670 | |
| 44th | 82 | Dick Greer | Mazda RX-7 | Dick Greer | 1:33.8220 | |
| 45th | 31 | Gary Altman / Mark Altman | Porsche Carrera | Altman Bros. Motor Racing | 1:34.0570 | |
| 46th | 09 | Peter Uria / Larry Figaro | Porsche Carrera | 901 Shop | 1:35.3910 | |
| 47th | 19 | Paul Goral | Porsche 935 | Goral Racing | 1:35.5260 | |
| 48th | 96 | Bruce Jones / Leo Bottari | Porsche 914/6 | Vehicle Craft Racing | 1:35.7040 | |
| 49th | 89 | Ray Hendricks / Bruce Jankowitz | Porsche 914/6 | Ray Hendricks | 1:36.4670 | |
| 50th | 08 | Paul Romano | Mazda RX-7 | Simms-Romano Ent. | 1:37.4110 | |
| 51st | 69 | John Hofstra / Tom Bailey | Porsche Carrera | Miami Auto Racing | 1:37.6020 | |
| 52nd | 54 | Robert Peters | Mazda RX-7 | Zwiren Racing | 1:38.9400 | |
| 53rd | 10 | Jim Leeward | March 82G Chevrolet | Leeward Air Ranch | no time | |