| AROSC Time Trial #4 | ||||||||||
| Buttonwillow June 8, 2003 | ||||||||||
| No. | Driver | Car | Best | Lap 1 | Lap 2 | Lap 3 | Lap 4 | Lap 5 | ||
| Class B | ||||||||||
| 1 | 158 | Brumbaugh, Tamara | GTV6 | 2:29.143 | 2:35.783 | 2:30.258 | 2:32.640 | 2:33.317 | 2:29.143 | |
| Class C | ||||||||||
| 1 | 160 | Mayring, Christopher (1) | Guilietta | 2:07.736 | 2:08.743 | 2:08.965 | 2:08.107 | 2:07.919 | 2:07.736 | |
| 2 | 18 | Goldenson, Craig | GTV6 | 2:10.728 | 2:12.296 | 2:10.728 | 2:10.877 | 2:10.947 | 2:11.782 | |
| 3 | 441 | Garbini, Fabio | GTV6 | 2:12.936 | 2:15.049 | 2:13.986 | 2:13.425 | 2:12.936 | 2:14.501 | |
| 4 | 20 | Backer, Uwe | GTV | 2:15.968 | 2:17.641 | 2:17.132 | 2:16.583 | 2:15.968 | ||
| 5 | 117 | Barbagiovanni, Claud | GTV | 2:19.634 | 2:19.746 | 2:20.520 | 2:20.301 | 2:19.634 | 2:20.056 | |
| Class D | ||||||||||
| 1 | 73 | Kemos, Peter (1) | GTV | 2:10.285 | 2:10.285 | 2:12.443 | 2:11.815 | 2:10.744 | 2:10.720 | |
| 2 | 74 | Mazlumian, Jorge | GTV | 2:15.962 | 2:18.064 | 2:17.336 | 2:17.876 | 2:15.962 | ||
| 3 | 6 | Cartsonas, Chris | Milano Ver | 2:18.477 | 2:18.477 | 2:19.573 | 2:20.450 | 2:20.084 | 2:20.393 | |
| 4 | 66 | Liao, Jesse | Milano | 2:19.278 | 2:22.126 | 2:21.226 | 2:19.771 | 2:19.278 | 2:19.345 | |
| 5 | 50 | Miller, Scott | GTV | 2:20.415 | 2:22.340 | 2:20.415 | 2:21.955 | 2:20.629 | 2:20.500 | |
| 6 | 76 | Kartsonas, Dimitri | Milano | 2:21.274 | 2:25.922 | 2:22.815 | 2:21.732 | 2:25.579 | 2:21.274 | |
| 7 | 96 | Khoe, David | GTV | 2:30.695 | 2:33.626 | 2:33.781 | 2:30.993 | 2:30.695 | 2:30.846 | |
| 8 | 32 | Kunedt, Peter | Milano | 2:36.858 | 2:38.914 | 2:36.858 | 2:37.944 | 2:43.786 | 2:41.648 | |
| Class E | ||||||||||
| 1 | 922 | Sniady, Christian | GTV | 2:16.587 | 2:20.509 | 2:19.035 | 2:17.363 | 2:16.587 | 2:19.959 | |
| 2 | 162 | Thraen, Jeff | GTV | 2:24.793 | 2:25.674 | 2:24.793 | ||||
| Class G | ||||||||||
| 1 | 10 | Troian, Gianni (1) | GTV | 2:25.700 | 2:26.693 | 2:25.700 | 2:26.772 | 2:28.138 | 2:26.763 | |
| 2 | 110 | Kartsonas, Nick | GTV | 2:54.035 | 3:01.104 | 2:58.984 | 3:00.008 | 2:57.280 | 2:54.035 | |
| Class I | ||||||||||
| 1 | 105 | Silverman, Norm (1) | Giulia TI | 2:42.381 | 2:52.778 | 2:53.044 | 2:42.993 | 2:42.381 | 2:42.680 | |
| Class M+ | ||||||||||
| 1 | 331 | Blizzard, Bob (1, 2) | Ranger | 1:49.534 | 1:53.447 | 1:50.005 | 1:49.534 | 1:49.782 | 2:01.779 | |
| 2 | 16 | Paquin, Jeff | FF | 2:08.084 | 2:10.661 | 2:08.762 | 2:08.328 | 2:08.084 | 2:08.427 | |
| Class M | ||||||||||
| 1 | 48 | Bregante, Joe (1) | Viper | 1:57.593 | 2:00.577 | 2:01.494 | 1:57.593 | 1:58.517 | 1:59.515 | |
| 2 | 77 | Gray, Richard | Corvette | 2:01.830 | 2:01.938 | 2:01.830 | 2:10.133 | 2:01.861 | 2:02.033 | |
| 3 | 62 | Poulin, Robert | M3 | 2:02.533 | 2:03.085 | 2:02.533 | 2:03.603 | 2:02.602 | 2:03.858 | |
| 4 | 8 | Bernstein, Erik | 240Z | 2:03.887 | 2:03.887 | 2:04.333 | ||||
| 5 | 90 | Foye, Kevin | Camaro | 2:06.244 | 2:06.244 | 2:07.149 | 2:06.527 | 2:07.707 | 2:06.477 | |
| 6 | 311 | Martinez, Jonathan | Viper GTS | 2:06.681 | 2:06.681 | 2:06.982 | 2:09.511 | |||
| 7 | 131 | DeAnda, Cesar | Mustang | 2:09.007 | 2:10.979 | 2:09.091 | 2:09.007 | 2:09.370 | ||
| 8 | 69 | LaMagra, Salvatore | Corvette Z | 2:09.085 | 2:12.384 | 2:11.300 | 2:10.567 | 2:09.607 | 2:09.085 | |
| 9 | 31 | Wang, Victor | Mustang | 2:10.991 | 2:17.150 | 2:13.153 | 2:10.991 | 2:12.766 | 2:37.329 | |
| 10 | 190 | Foye, Mel | Camaro | 2:11.038 | 2:15.193 | 2:13.101 | 2:12.525 | 2:11.038 | 2:13.642 | |
| Class N | ||||||||||
| 1 | 218 | Groth, Claus (1) | 944T | 1:59.281 | 1:59.281 | 2:00.422 | 2:00.409 | 2:00.828 | 1:59.853 | |
| 2 | 19 | McKibben, Mike | Mustang | 2:07.848 | 2:08.823 | 2:08.074 | 2:09.712 | 2:07.848 | 2:08.112 | |
| 3 | 711 | Victoria, Edward | Carrera | 2:07.873 | 2:11.195 | 2:10.725 | 2:09.378 | 2:07.873 | ||
| 4 | 44 | Cheng, Kevin | S2000 | 2:08.029 | 2:08.738 | 2:08.029 | 2:08.294 | 2:10.001 | ||
| 5 | 3 | DeLaMare, Rob | Miata | 2:16.702 | 2:17.767 | 2:19.355 | 2:17.745 | 2:17.985 | 2:16.702 | |
| Class O | ||||||||||
| 1 | 24 | Choe, Danny | Civic | 2:04.830 | 2:06.403 | 2:04.830 | 2:05.268 | 2:06.734 | 2:13.659 | |
| 2 | 291 | Quinteros, Kim | RX7 | 2:05.555 | 2:08.167 | 2:06.285 | 2:06.218 | 2:07.071 | 2:05.555 | |
| 3 | 777 | Barnes, Paul | 911 | 2:05.752 | 2:06.292 | 2:05.752 | 2:06.778 | 2:08.760 | ||
| 4 | 171 | Barring, Michael | Carrera | 2:07.650 | 2:07.684 | 2:07.744 | 2:08.445 | 2:09.405 | 2:07.650 | |
| 5 | 22 | Heesacker, Greg | M3 | 2:08.495 | 2:09.838 | 2:08.495 | 2:09.172 | 2:09.012 | 2:08.740 | |
| 6 | 805 | Valsecchi, Emilio | Golf | 2:08.639 | 2:09.589 | 2:09.873 | 2:08.700 | 2:08.639 | ||
| 7 | 135 | Lee, Joseph | RX7 | 2:13.299 | 2:15.546 | 2:14.173 | 2:13.299 | 2:13.857 | 2:14.955 | |
| 8 | 60 | Wagner, Donald | Mustang | 2:15.131 | 2:16.986 | 2:15.857 | 2:15.131 | |||
| 9 | 91 | Rhodes, Robert | Mustang SV | 2:15.430 | 2:15.430 | 2:17.256 | 2:18.448 | 2:19.149 | 2:18.930 | |
| 10 | 735 | Seho, Kenneth | RX7 | 2:24.452 | 2:25.190 | 2:26.128 | 2:25.248 | 2:27.397 | 2:24.452 | |
| Class P | ||||||||||
| 1 | 88 | McNall, Todd | 2000 | 2:08.110 | 2:11.507 | 2:09.065 | 2:08.110 | 2:23.043 | ||
| 2 | 34 | Toll, Chris | A4 Avant | 2:18.603 | 2:19.424 | 2:23.657 | 2:18.615 | 2:20.715 | 2:18.603 | |
| 3 | 164 | Mutza, Chip | Focus SVT | 2:19.328 | 2:21.540 | 2:20.423 | 2:19.328 | 2:19.521 | 2:20.036 | |
| 4 | 39 | Hansen, Erik | Probe GT | 2:20.018 | 2:20.241 | 2:20.839 | 2:20.018 | 2:20.622 | 2:21.139 | |
| 5 | 93 | Kutkus, M.J. | SLK230 | 2:20.394 | 2:20.394 | 2:21.218 | 2:21.252 | 2:21.758 | 2:22.471 | |
| Class Q | ||||||||||
| 1 | 81 | Hamilton, Fred | Regal GS | 2:36.731 | 2:36.972 | 2:37.509 | 2:38.178 | 2:41.189 | 2:36.731 | |
| Notes | ||||||||||
| 1 | New AROSC track record | |||||||||
| 2 | Fastest time of the day | |||||||||