| 1st | 59 | Gregg / Redman / Fitzpatrick | BMW 3.5 CSL | BMW of North America | 1:56.550 | 1:56.5500 |
| 2nd | 76 | Brockman / Greenwood | Chevrolet Corvette | Greenwood Customercar Levitt Racing | 1:56.858 | 2:00.7660 |
| 3rd | 24 | Hobbs / Parsons | BMW 3.5 CSL | BMW of North America | 1:57.427 | 1:57.4270 |
| 4th | 25 | Fitzpatrick / Walkinshaw | BMW 3.5 CSL | BMW of North America | 1:58.436 | 1:58.4360 |
| 5th | 11 | Evertz / Greger / Lässig | Porsche 934 | Sepp Greger | 1:59.205 | 1:59.2050 |
| 6th | 15 | Garcia / Garcia / Garcia | Chevrolet Corvette | Garcia Brothers | 1:59.389 | 1:59.3890 |
| 7th | 14 | Holbert / Ballot-Léna | Porsche Carrera RSR | George Dickinson/Holbert Porsche-Audi | 1:59.607 | 1:59.6070 |
| 8th | 66 | Nehl / Behr | Chevrolet Monza | Tom Nehl | 2:00.334 | 2:00.3340 |
| 9th | 30 | Dyer / *Keyser | Porsche 911 Carrera RSR 3.0 | Heufeld Porsche | 2:00.656 | 2:00.6560 |
| 10th | 88 | Carter / *Villeneuve | Chevrolet Camaro | Maurice Carter | 2:01.092 | 2:01.0920 |
| 11th | 86 | Kleinpeter / Goldleaf | De Tomaso Pantera | Hugh Kleinpeter | 2:01.530 | 2:01.5300 |
| 12th | 35 | Mathey / Chamberlain / Loyning / *Shafer | Chevrolet Corvette | Ted Mathey | 2:01.873 | 2:01.8730 |
| 13th | 2 | Allison / Allison | Chevrolet Nova | Bobby Allison | 2:02.241 | 2:02.2410 |
| 14th | 41 | Jones, Jr. / Faul | Chevrolet Camaro | Jones Industries Racing | 2:02.514 | 2:02.5140 |
| 15th | 56 | Hagestad / Jolly | Porsche 911 Carrera RSR | Bob Hagestad | 2:02.653 | 2:02.6530 |
| 16th | 43 | Graves / O'Steen / Helmick | Porsche Carrera RSR | Ecurie Escargot | 2:02.786 | 2:02.7860 |
| 17th | 21 | Pearson / Pearson / Bowsher / Bowsher | Ford Torino | Jack Bowsher | 2:02.804 | 2:02.8040 |
| 18th | 68 | Meldeau / McDill / Tremblay | Chevrolet Camaro | Mike Meldeau | 2:03.162 | 2:03.1620 |
| 19th | 50 | van Beuren, Jr. / Rojas / Contreras | Porsche Carrera | Hector Rebaque, Sr. | 2:03.185 | 2:03.1850 |
| 20th | 74 | Heimrath / Bienvenue / Ridgely | Porsche Carrera RSR | Ludwig Heimrath | 2:03.801 | 2:03.8010 |
| 21st | 55 | Ruttman / Baker / Behr | Dodge Dart | Car & Driver | 2:04.900 | 2:04.9000 |
| 22nd | 22 | Long / Jobe / Startup | Chevrolet Corvette | Bandag | 2:04.903 | 2:04.9030 |
| 23rd | 44 | DeNarvaez / Naon / *Freyre | Porsche 911 Carrera RSR | Mauricio DeNarvaez | 2:05.563 | 2:05.5630 |
| 24th | 99 | Currin / Gottlob / Knab | Chevrolet Corvette C3 | Phil Currin | 2:05.576 | 2:05.5760 |
| 25th | 75 | Christiansen / Hagan | Chevrolet Camaro | Robert Christiansen | 2:05.879 | 2:05.8790 |
| 26th | 04 | McGriff / McGriff | Chevrolet Nova | Hershel McGriff | 2:06.087 | 2:06.0870 |
| 27th | 97 | Bolanos / Sprowls / Bolanos | Porsche Carrera RSR | Juan Carlos Bolanos | 2:06.878 | 2:06.8780 |
| 28th | 61 | Busby / Haywood | Porsche Carrera RSR | Brumos Porsche | 2:06.923 | 2:06.9230 |
| 29th | 33 | Francis / Bebout | Chevrolet Chevelle | Glenn Francis | 2:07.864 | 2:07.8640 |
| 30th | 48 | Hylton / Childress | Chevrolet Laguna | James Hylton | 2:08.157 | 2:08.1570 |
| 31st | 47 | Bean / *Ansley | Porsche 911 S | Williams Grainger | 2:08.437 | 2:08.4370 |
| 32nd | 91 | Miller / Ray | Chevrolet Chevelle | Debra Lynn Miller | 2:09.356 | 2:09.3560 |
| 33rd | 40 | Fillingham / Sherk | Chevrolet Corvette | Sam Fillingham | 2:09.672 | 2:09.6720 |
| 34th | 71 | Cord / Adams / Minter | Ferrari 365 GTB/4 | Ken Starbird | 2:10.186 | 2:10.1860 |
| 35th | 12 | Schmid / Bartels / Martin / Evertz | Porsche Carrera RSR | Sepp Greger | 2:10.564 | 2:10.5640 |
| 36th | 20 | Weiss / Oleyar / Karl | Porsche 911 S | Richard Weiss | 2:10.697 | 2:10.6970 |
| 37th | 29 | Mendez / Cowart / Panaccione | Porsche 911 T | Charles Mendez | 2:10.958 | 2:10.9580 |
| 38th | 42 | Hindson / Davenport / Carney | Porsche 911 S | BHR Porsche | 2:11.122 | 2:11.1220 |
| 39th | 64 | Canada / *Boykin | Chevrolet Camaro | C. C. Canada | 2:11.245 | 2:11.2450 |
| 40th | 92 | Tillson / Oest / Jennings | Porsche Carrera RSR | Oest/Tillson | 2:11.261 | 2:11.2610 |
| 41st | 72 | Arnold / Levenson / *Brown | Chevrolet Corvette C2 | Bill Arnold | 2:11.331 | 2:11.3310 |
| 42nd | 51 | Hotchkis / Kirby / Jones | Porsche 914/6 | Max Dial | 2:11.562 | 2:11.5620 |
| 43rd | 73 | Howey / *Kester / *Crabtree | Chevrolet Corvette | Howey Farms | 2:12.323 | 2:12.3230 |
| 44th | 98 | Negre / Mitchell / Merzario | Dodge Charger | Ed Negre | 2:13.185 | 2:13.1850 |
| 45th | 34 | Drolsom / Nagel | Porsche 911 S | George Drolsom | 2:13.210 | 2:13.2100 |
| 46th | 67 | White / Harmstad / *McClain | Porsche 914/6 | David McClain | 2:13.999 | 2:13.9990 |
| 47th | 46 | Daher / Leal / Madero | Ford Mustang | Jose Antonio Daher | 2:15.124 | 2:15.1240 |
| 48th | 81 | Berner / Goebbels / Hochreuter | Porsche 911 S | Motex Auto | 2:15.141 | 2:15.1410 |
| 49th | 85 | Hulen / Coupland / Engels / *Noyes | Porsche 914/6 | John E. Hulen | 2:15.693 | 2:15.6930 |
| 50th | 0 | Frates / Ross / Buzbee | Datsun 240Z | William Frates | 2:16.632 | 2:16.6320 |
| 51st | 49 | Potter / Gray / Sereix | Ford Mustang | Neil Potter | 2:16.919 | 2:16.9190 |
| 52nd | 80 | Solomone / Maksym / Halverson | Chevrolet Camaro | Carmon Solomone | 2:16.955 | 2:16.9550 |
| 53rd | 89 | Parish / Causey / Nelson | Porsche 911 S | Barrick Motor Racing | 2:17.435 | 2:17.4350 |
| 54th | 36 | Brezinka / Hirsch / Hardacre | Porsche 911 S | Rainer Brezinka | 2:19.044 | 2:19.0440 |
| 55th | 65 | May / Mueller / Sauers | Porsche 911 S | Stephen Isett | 2:20.618 | 2:20.6180 |
| 56th | 18 | Wolters / Gano / Castellano | Chevrolet Camaro | Terry Wolters | 2:20.625 | 2:20.6250 |
| 57th | 7 | Kamazuka / Fukuda / Cortez | Mazda RX-3 | Glen Marckwardt | 2:23.481 | 2:23.4810 |
| 58th | 9 | Mabrito / Steel | Datsun 240Z | Bruce Mabrito | 2:26.050 | 2:26.0500 |
| 59th | 84 | Dube / Zitza / Zitza | Porsche 911 S | Mike Meldeau | 2:27.344 | 2:27.3440 |
| 60th | 6 | Craw / *Korman / *Peacock | BMW 2002 TI | Miller/Norburn | 2:27.878 | 2:27.8780 |
| 61st | 53 | Mollin / Speakman / *Gatoff | Volvo 142 S | Arthur Mollin | 2:31.626 | 2:31.6260 |
| 62nd | 52 | Bergstrom / Shaw / Palmer | Honda Civic | CACI | 2:39.877 | 2:39.8770 |
| 63rd | 10 | Zellmer / Goellnicht / Alsup / *Westphal | BMW 2002 TI | Louis McAlpine | 2:41.282 | 2:41.2820 |
| 64th | 1 | Westphal / Arutunoff / Goellnicht / *Spreadbury / *Zellmer / *Payne | BMW 2002 TI | Louis McAlpine | 2:45.428 | 2:45.4280 |
| 65th | 90 | Walle / Reddy / Scott | Mazda Cosmo | Ray Walle | 2:45.796 | 2:45.7960 |
| 66th | 54 | Job / Southard / Sahlman | Porsche 914/6 | Spirit Racing | 2:52.294 | 2:52.2940 |
| 67th | 4 | Bond / Kreider | Pontiac Astre | Bill Nelson, Sr. | 3:00.521 | 3:00.5210 |