| 1st | 14 | Al Holbert / Al Unser, Jr. | Porsche 962 | Holbert Racing | 1:32.3590 | |
| 2nd | 68 | Pete Halsmer / John Morton | Porsche 962 | BF Goodrich | 1:34.3280 | |
| 3rd | 45 | John Paul, Jr. / Adam | March 85G Buick | Conte Racing | 1:32.2540 | 204.1034 |
| 4th | 86 | Bruce Leven / David Hobbs | Porsche 962 | Bayside Disposal Racing | 1:33.0940 | |
| 5th | 44 | Bob Tullius / Chip Robinson | Jaguar XJR-5 | Group 44 | 1:34.3210 | |
| 6th | 67 | Jim Busby / Rick Knoop | Porsche 962 | BF Goodrich | 1:34.5760 | |
| 7th | 04 | Brian Redman / Hurley Haywood | Jaguar XJR-5 | Group 44 | 1:34.8260 | |
| 8th | 29 | Darin Brassfield | March 85G Chevrolet | DeAtley | 1:36.5760 | |
| 9th | 15 | John Kalagian | March 85G Porsche | Kalagian Ardisana | 1:37.5270 | |
| 10th | 5 | Bob Akin / Jim Mullen | Porsche 962 | Bob Akin Motor Racing | 1:37.8130 | |
| 11th | 0 | Jim Adams / John Hotchkis | March 83G Porsche | Hotchkis Racing | 1:37.8130 | |
| 12th | 11 | Chuck Kendall / Chip Mead | Lola T600 Chevrolet | Kendall Racing | 1:38.1470 | |
| 13th | 30 | Gianpiero Moretti | Alba/Momo AR5 Ford | Momo | 1:38.6060 | |
| 14th | 46 | Whitney Ganz | March 85G Buick | Conte Racing | 1:38.8190 | |
| 15th | 83 | Don Devendorf / Tony Adamowicz | Lola T810 Nissan GTP ZX-T | Nissan/California Cooler | 1:41.7600 | |
| 16th | 65 | John Jones / Wally Dallenbach, Jr. | Ford Mustang | Team Roush Protofab | 1:42.5340 | 183.6390 |
| 17th | 01 | Don Bell / Jack Newsum | Royale RP40 Buick | Charles Young | 1:42.8530 | |
| 18th | 7 | Tom Gloy / Doc Bundy | Ford Thunderbird | | 1:43.3670 | |
| 19th | 98 | Dennis Aase | Toyota Celica | All American Racers | 1:43.7050 | |
| 20th | 97 | Billy Scyphers / Dan Marvin | Chevrolet Corvette | Scyphers-Ankor Racing | | |
| 21st | 93 | Kelly Marsh / Ron Pawley | Argo JM16 Mazda | Mid-O/Rusty Jones | 1:45.7330 | 178.0836 |
| 22nd | 6 | Charles Morgan / Bill Alsup | Royale RP40 Buick | Morgan Performance | | |
| 23rd | 90 | John Klug / Lou Sell | Porsche 935 K3/80 | | | |
| 24th | 39 | Jim Torres / Monte Shelton | Porsche 934 | | | |
| 25th | 63 | Jim Downing / John Maffucci | Argo JM16B Mazda | RGP 500 Racing | | |
| 26th | 52 | David Schroeder / Karl Durkheimer | Chevrolet Corvette | | | |
| 27th | 07 | Lyn St. James / Bruce Jenner | Ford Mustang | Roush Racing | | |
| 28th | 72 | Elliot Forbes-Robinson / Skeeter McKitterick | Fabcar CL Porsche | Whitehall Motorsports | | |
| 29th | 21 | Howard Siegel / Ron Nelson | Tiga GT285 Mazda | Siegel Racing | | |
| 30th | 58 | Rick Borlase | Porsche 934 | Coin Operated Racing | | |
| 31st | 16 | Pieter Baljet / Ric Moore | Chevrolet Camaro | | | |
| 32nd | 80 | Lisa Caceres | Chevrolet Camaro | | | |
| 33rd | 43 | Ed Swart / David Christian / Brian Goellnicht | BMW M1 | | | |
| 34th | 92 | Lee Mueller / Terry Visger | Merkur XR4Ti | | 1:51.4910 | 168.8862 |
| 35th | 8 | Tim Coconis | Lola T616 Polimotor | Polimotor Research | | |
| 36th | 22 | Del Russo Taylor / Arvid Albanese | Pontiac Firebird | | | |
| 37th | 55 | Bob Earl / Dominic Dobson | Pontiac Fiero | Huffaker Racing | | |
| 38th | 79 | Bob Bergstrom | Porsche 924 Carrera GTR | Whitehall Motorsports | | |
| 39th | 76 | Jack Baldwin / Jeff Kline | Mazda RX-7 | Malibu Grand Prix | | |
| 40th | 23 | Dick Davenport | Nissan 200SX | | | |
| 41st | 99 | Chris Cord / Steve Millen | Toyota Celica | All American Racers | | |
| 42nd | 38 | Roger Mandeville / Logan Blackburn | Mazda RX-7 | Mandeville Auto Tech | | |
| 43rd | 53 | Danny Smith / Tom Waugh | Mazda RX-7 | Mandeville Auto Tech | | |
| 44th | 71 | Amos Johnson / Jack Dunham | Mazda RX-7 | Team Highball | | |
| 45th | 42 | Paul Lewis / Scott Pruett | Mazda RX-7 | Mike Meyer/Daffy | | |
| 46th | 48 | Frank Honsowetz / Doug Barnhold | Nissan 280ZX | | | |
| 47th | 32 | George Alderman | Nissan 280ZX T | Alderman Nissan | | |
| 48th | 10 | Clay Young | Pontiac Firebird | | | |
| 49th | 17 | Al Bacon / Dennis Krueger | Mazda RX-7 | Al Bacon Racing | | |
| 50th | 54 | Danny Edwards | Porsche 911 | | | |
| 51st | 40 | Steve Wilson / Mike Dietel / Carl McGinn | BMW 320i | | | |
| 52nd | 00 | Bart Kendall / Tom Kendall / Bill Van | Mazda RX-7 | Tommy Kendall | | |
| 53rd | 78 | John Higgins / James King | Porsche 911 | | | |
| 54th | 94 | Cary Eisenlohr | Nissan 280ZX | | | |
| 55th | 51 | John Winthrop / Tom Alan Marx / Larry Amberg | Porsche 911 | | | |
| 56th | 56 | Gary Auberlen / Peter Jauker | Porsche 911 | S P Racing | | |
| 57th | 26 | Sergio Nardi / Ted Dann | Porsche 911 | | | |
| 58th | 95 | David Day | Nissan 200SX | | | |
| 59th | 02 | Roy Newsome / Bill McVey | Mazda RX-7 | | | |