| 1st | 47 | Doc Bundy / Pepe Romero | March 83G Chevrolet | Pepe Romero | 1:23.5300 |
| 2nd | 41 | Chris Cord / Jim Adams | Lola T600 Chevrolet | Rayfin | 1:23.2800 |
| 3rd | 39 | John Gunn | Phoenix JG1 Chevrolet | Holly Racing | 1:24.1000 |
| 4th | 5 | Bob Akin / Dale Whittington | Porsche 935 K3/80 | Bob Akin Motor Racing | 1:24.9300 |
| 5th | 06 | Bobby Rahal / Tom Gloy | Ford Mustang Turbo | Team Zakspeed Roush | 1:25.0100 |
| 6th | 1 | John Paul, Jr. / Rene Rodriguez | Porsche 935 JLP-4 | J.L.P. Racing | 1:25.3200 |
| 7th | 22 | Lyn St. James | Nimrod NRA/C2 Aston Martin | Nimrod Racing Automobiles | 1:25.3500 |
| 8th | 6 | Geoff Brabham | Ford Mustang Turbo | Team Zakspeed Roush | 1:26.5300 |
| 9th | 25 | Dave Cowart / Kenper Miller | March 82G Porsche | Red Lobster Racing | 1:28.9600 |
| 10th | 3 | Skeeter McKitterick / Tom Sneva | Grid Plaza S1 Ford | Grid Motor Racing | 1:29.4500 |
| 11th | 0 | Gianpiero Moretti / Sarel van der Merwe | Porsche 935/78-81 | Momo Corse | 1:29.9200 |
| 12th | 44 | Bob Tullius / Bill Adam | Jaguar XJR-5 | Group 44 | 1:29.9600 |
| 13th | 88 | Bill Whittington / Emory Donaldson | March 83G Chevrolet | Motorsports Marketing | 1:31.1900 |
| 14th | 24 | M. L. Speer / Ken Madren | Porsche 935 JLP-2 | Pegasus III Racing | 1:32.2800 |
| 15th | 05 | Tico Almeida / Ernesto Soto | Porsche 935 M16 | T & R Racing | 1:33.7600 |
| 16th | 16 | Marty Hinze / Randy Lanier | March 82G Chevrolet | Marty Hinze Racing | 1:34.6000 |
| 17th | 30 | Sarel van der Merwe | March 83G Porsche | Momo Corse | 1:35.1800 |
| 18th | 82 | Joe Varde | Mazda RX-7 | Trinity Racing | 1:37.4810 |
| 19th | 95 | Bob Leitzinger | Datsun 280ZX | Leitzinger Racing | 1:37.9200 |
| 20th | 98 | Dennis Aase | Toyota Celica | All American Racers | 1:38.1400 |
| 21st | 58 | Deborah Gregg / Kathy Rude | Porsche 924 Carrera | Brumos Racing | |
| 22nd | 28 | Bruno Beilcke / Richard Spenard | BMW M1 | Al Mardikian Engineering | 1:38.9240 |
| 23rd | 4 | Billy Hagan / Gene Felton | Chevrolet Camaro | Stratagraph Inc. | |
| 24th | 71 | Charles Morgan / Jim Miller | Datsun 280ZX | Morgan Performance Group | |
| 25th | 38 | Roger Mandeville / Amos Johnson | Mazda RX-7 | Mandeville Auto/Tech | |
| 26th | 55 | Diego Montoya / Tony Garcia | BMW M1 | B de T Racing | |
| 27th | 60 | Walt Bohren | Mazda RX-7 | Tommy Morrison Motorsports | |
| 28th | 9 | Wayne Baker / Jim Mullen | Porsche 934 | Personalized Autohaus | |
| 29th | 11 | Chuck Kendall / Jim Cook | BMW M1 | Kendall Racing | |
| 30th | 2 | "Fomfor" | BMW M1 | Fomfor Racing | |
| 31st | 63 | Jim Downing / John Maffucci | Mazda RX-7 | RGP 500 Racing | |
| 32nd | 48 | John Carusso / Phil Currin | Chevrolet Corvette | BASF/Dynasales | |
| 33rd | 56 | Tim Evans | Chevrolet Corvette | Bill Wink Racing | |
| 34th | 14 | Bruce Jones / Fred Apgar | Porsche 914/6 | Bruce Jones Racing | |
| 35th | 07 | Ludwig Heimrath | Porsche 934 | Heimrath Racing | |
| 36th | 8 | Jack Rynerson / Chris Wilder | Porsche 911 | John Rynerson | |
| 37th | 27 | Jim Fowells / Ray Mummery | Mazda RX-7 | Scuderia Rosso | |
| 38th | 32 | George Alderman | Datsun 280ZX | Alderman Datsun | |
| 39th | 68 | Richard Valentine / Dave Watson | Pontiac Firebird | USA Racing | |
| 40th | 08 | Bobby Diehl / Roy Newsome | Mazda RX-7 | Diehl Hi-Pro Enterprises | |
| 41st | 61 | Don Courtney / Brent O'Neill | Chevrolet Monza | Vista Racing | |
| 42nd | 84 | Ken Murray / Robert Gottfried | Chevrolet Camaro | Motorsport Marketing | |
| 43rd | 74 | Del Russo Taylor | Chevron GTP Buick | Mark Wagoner | |
| 44th | 26 | Tom Nehl / Nelson Silcox | Chevrolet Camaro | Centurion Leasing | |
| 45th | 91 | Chester Vincentz | Porsche 934 | Electrodyne | |
| 46th | 66 | Jack Dunham / Jeff Kline | Mazda RX-7 | Mike Meyer Racing | |
| 47th | 50 | Kikos Fonseca | Porsche Carrera RSR | Latino Racing | |
| 48th | 77 | Dennis Cuppy | Chevrolet Corvette | Dennis Cuppy | |
| 49th | 35 | Al Leon / Wayne Pickering | Porsche Carrera RSR | Pegasus Racing | |
| 50th | 36 | Rick Cline | Mazda RX-7 | Rick Cline Racing | |
| 51st | 64 | Ron Coupland | Porsche Carrera RSR | John Hulen | |
| 52nd | 40 | Uli Bieri / Matt Gysler / Duff Hubbard | BMW M1 | Bieri Racing | |
| 53rd | 34 | George Drolsom / Bill Johnson | Porsche 924 Carrera | Drolsom Racing | |
| 54th | 43 | Bill Miller / David Miller / Jack Ries | Datsun Z | Bill Miller | |
| 55th | 87 | Jack Lewis / Bob Beasley | Porsche Carrera RSR | Bob Beasley | |
| 56th | 20 | Dale Kreider / Dave Heinz | Chevrolet Corvette | Dale Kreider | |
| 57th | 78 | Vicki Smith / Klaus Bitterauf | Porsche 911 | Der Klaus Haus | |
| 58th | 72 | George Hulse / Craig Hogan | Porsche Carrera | THR | |
| 59th | 17 | Al Bacon | Mazda RX-7 | Al Bacon Racing | |