| 1st | 9 | Rahal / Canepa / Trueman | March 82G Chevrolet | Garretson Ent. | 1:43.8910 | 214.1425 |
| 2nd | 2 | Fitzpatrick / *Hobbs / *Baker | Porsche 935 K3/80 | John Fitzpatrick Racing | 1:44.1220 | 213.6600 |
| 3rd | 00 | Whittington / Field | Porsche 935 K3/80 | Interscope Racing | 1:45.7520 | |
| 4th | 86 | Haywood / Leven / Holbert | Porsche 935/80 | Bayside Disposal Racing | 1:45.7630 | 210.3400 |
| 5th | 18 | Paul, Jr. / Stommelen / Paul | Porsche 935 JLP-3 | JLP Racing | 1:46.2430 | |
| 6th | 09 | Henn / Wilson / Hinze | Porsche 935 K3 | Thunderbird Swap Shop | 1:46.5150 | |
| 7th | 5 | Akin / Siebert / Bell | Porsche 935 K3/80 | Bob Akin Motor Racing | 1:47.0940 | |
| 8th | 7 | Kent-Cooke / Wietzes / Adams | Lola T600 Chevrolet | Cooke Racing | 1:48.7090 | |
| 9th | 0 | Field / *Ongais / *Whittington | Porsche 935 K3/80 | Interscope Racing | 1:48.8210 | 209.9700 |
| 10th | 8 | Paul / *Paul, Jr. / *Stommelen | Porsche 935 JLP-2 | JLP Racing | 1:49.9260 | |
| 11th | 25 | Cowart / Miller / *Mendez | March 82G BMW | Red Lobster Racing | 1:51.7490 | |
| 12th | 46 | DeNarvaez / Garretson / Wood | Porsche 935 K3 | Garretson Ent. | 1:52.0160 | |
| 13th | 62 | Koll / Hoerr / McKitterick | Rondeau M382 Cosworth | Golden Eagle Racing | 1:52.3650 | |
| 14th | 3 | Sullivan / Belcher / Phipps | Rondeau M382 Cosworth | Belcher Racing | 1:52.9100 | |
| 15th | 6 | Wollek / Dören / Lanier | Ferrari 512 BB/LM | N.A.R.T. | 1:54.0320 | |
| 16th | 26 | Nehl / Riggins / Silcox | Chevrolet Camaro | Auriga Racing | 1:54.0590 | |
| 17th | 11 | Aase / *Kendall / *Hotchkis | BMW M1 | Kendall Racing | 1:54.6290 | 194.0837 |
| 18th | 54 | Garcia / Naon / McFarlin | BMW M1 | Montura Racing | 1:57.3540 | |
| 19th | 4 | Raub / Leitzinger / Pasmas | Pontiac Firebird | Oftedahl Racing | 1:57.8200 | |
| 20th | 77 | Katayama / Yorino / Terada | Mazda RX-7 | Mazda of North America | 1:59.9130 | |
| 21st | 24 | Refenning / Tilton / Bond | Porsche 934 | 901 Shop | 2:00.1520 | |
| 23rd | 01 | Morton / Klausler | Ford Mustang | Marketing Corp. of America | 2:01.0720 | |
| 22nd | 79 | Bergstrom / *Winters / *Overby | Porsche 924 Carrera GTR | Promo. Ltd./Whitehall Cap. | 2:01.2200 | |
| 24th | 05 | Soto / Rodriguez / Almeida | Porsche Carrera RSR | T & R Racing | 2:01.2200 | |
| 25th | 07 | Heimrath, Jr. / Heimrath | Porsche 924 Carrera | Heimrath Racing | 2:01.6050 | |
| 26th | 58 | Bundy / Busby / Schurti | Porsche 924 Carrera | Brumos Racing | 2:02.8830 | |
| 27th | 75 | Kreider / Swope / Knab | Chevrolet Corvette C3 | Performance Plus Products | 2:03.4400 | |
| 30th | 50 | Febles / Ferrer / Soldevilla | Porsche Carrera RSR | Diego Febles Racing | 2:03.4760 | |
| 28th | 21 | Crevier / Stiff / Wilson / *Northam | BMW M1 | Crevier & Associates | 2:03.4910 | |
| 29th | 92 | Mullen / Bohren / Grable | Mazda RX-7 | Kent Racing | 2:03.4910 | 180.1548 |
| 31st | 37 | Neland / Kuhel / Northam / *Cotrone | Chevrolet Camaro | Kend Co. Ent. | 2:03.5160 | |
| 32nd | 44 | Hagan / Labonte / Felton | Chevrolet Camaro III | Stratagraph | 2:03.6370 | |
| 33rd | 67 | Delano / Petery / Nightingale | AMC Spirit AMX | Levi's Team Highball | 2:03.8280 | |
| 34th | 29 | Heinz / Kirill / Overbagh | Chevrolet Monza | Oberdorfer Research | 2:03.8590 | |
| 35th | 38 | Mandeville / Johnson / Kline | Mazda RX-7 | Mandeville Racing Ent. | 2:04.1600 | |
| 36th | 63 | Waugh / Downing / Maffucci | Mazda RX-7 | Downing/Atlanta | 2:04.1890 | |
| 37th | 35 | Speer / Ratcliff / Wolters | Porsche Carrera RSR | W-S Ent. | 2:04.5270 | |
| 38th | 23 | Davenport / Carney / McComb | Datsun 280ZX | Raytown Datsun/D. Preston | 2:04.7790 | |
| 39th | 88 | Beasley / Stone / Lewis | Porsche Carrera RSR | Bob Beasley | 2:04.9200 | |
| 40th | 43 | Young / Gregg / McIntyre | Porsche Carrera RSR | Bob Gregg Racing | 2:04.9220 | |
| 41st | 66 | Dunham / Smith, Jr. / Smith | Mazda RX-7 | Dunham Trucking | 2:05.0910 | |
| 42nd | 57 | Carmean / O'Steen / Pimm | Mazda RX-7 | Red Roof Inn | 2:05.2640 | |
| 43rd | 41 | Schmidt / Schmidt / Hitt | Chevrolet Corvette C3 | Starved Rock Ledge | 2:05.6120 | |
| 44th | 89 | English / Thompson / *Price | Chevrolet Camaro | Herb Adams | 2:05.6310 | |
| 45th | 98 | Rude / Mueller / Moffat | Mazda RX-7 | Kent Racing | 2:06.9560 | |
| 46th | 42 | Wonzer / Bean / Grantham | Porsche 911 | Gary Wonzer | 2:09.0910 | |
| 47th | 30 | Long / Case / Case | Porsche 911 | Case Racing | 2:09.6160 | |
| 48th | 87 | Ramirez / Cook / Cooper | Mazda RX-7 | R. Sanchez Racing | 2:09.7870 | |
| 49th | 27 | Fowells / Mummery / Carusso | Mazda RX-7 | Scuderia Rosso | 2:10.0280 | |
| 50th | 78 | Flanders / Bitterauf / Smith | Porsche 911 | Der Klaus Haus | 2:12.3540 | |
| 51st | 65 | Knoop / Baird / Pumpelly | Ferrari 512 BB/LM | Prancing Horse Farm Racing | no time | |
| 52nd | 10 | Shafer / Mooney / Brassfield | Chevrolet Camaro II | Oftedahl Racing | no time | |
| 53rd | 47 | de Dryver / *Davis | Ferrari 512 BB/LM | Tide Racing | no time | |
| 54th | 36 | Miller / Bedard / Barth | Porsche 924 Carrera | Herman + Miller P+A | no time | |
| 55th | 20 | Hunter / Turner / Eitel | Mercury Capri | AutoWest | no time | |
| 56th | 70 | Chmura / Schofield / Regan | Chevron GTP Mazda | Genesis Racing | no time | |
| 57th | 60 | Church / Marx / *Lee | AMC AMX | Bob's Speed Products | no time | |
| 58th | 34 | Drolsom / Johnson / Frank | Porsche 924 Carrera | Drolsom Racing | no time | |
| 59th | 444 | Tullius / Adam / Smiley | Jaguar XJS | Group 44 | no time | |
| 60th | 53 | "Fomfor" / Valiente / Kreysa | BMW 3.0 CSL | Nemtex | no time | |
| 61st | 13 | Arutunoff / Marina | Lancia Stratos | Hallet Motor Racing Circuit | no time | |
| 62nd | 15 | Panaccione / Mead / Graham | Porsche 911 Carrera RSR | D. L. Performance | no time | |
| 63rd | 49 | Jolly / Copeman / Marx | Porsche Carrera RSR | Copeman Racing | no time | |
| 64th | 51 | Juckette / Meldeau / McDill / *Shafer | Chevrolet Camaro | Meldeau Tire World | no time | |
| 65th | 52 | Swanson / *Snow / *Cripe | Porsche 911 | Ours & Hours Racing | no time | |
| 66th | 72 | Kjoller / Nikel / Clay | Porsche Carrera RSR | Carrera Motorsports | no time | |
| 67th | 73 | Howey / Koch / Wolf | Chevrolet Camaro | Wolf Engine | no time | |
| 68th | 74 | Taylor / Arego / Dassinger | Chevron GTP Buick | Mark Wagoner | no time | |
| 69th | 80 | Mears / Emanuelson / Adams | Pontiac Firebird | Herb Adams | no time | |
| 70th | 83 | Zitza / Belperche / Zitza | Porsche 914/6 | Zotz Garage | no time | |
| 71st | 84 | "Jamsal" / Barrientos / Galdamez | Porsche 934 | Scorpio Racing | no time | |
| 72nd | 02 | Bauer / Pratt / Minter | Ford Mustang | Marketing Corp. of America | no time | |
| 73rd | 08 | Howes / Nacthwey / Jones | Porsche 911 | Portia Parlor | no time | |