Race No. 13
Tenneco Automotive Grand Prix of Detroit
Belle Isle — Detroit, Michigan
August 6-8, 1999
Friday/Saturday Practice
Combined Report
| pos | car | driver | chassis engine tire | laptime | gap to leader | gap to next | mph | km/h | 110% rule |
| 1 | 9X | Helio Castro-Neves | Mercedes/LT/F | 74.567 | 0.000 | 0.000 | 113.262 | 182.238 | n/a |
| 2 | 7 | Max Papis | Ford Cos/RI/F | 74.723 | -0.156 | -0.156 | 113.025 | 181.858 | n/a |
| 3 | 33 | Patrick Carpentier | Mercedes/RI/F | 74.848 | -0.281 | -0.125 | 112.837 | 181.554 | 100.27% |
| 4 | 11X | Roberto Moreno | Ford Cos/SW/F | 75.009 | -0.442 | -0.161 | 112.594 | 181.165 | 100.49% |
| 5 | 26 | Paul Tracy | Honda/RI/F | 75.065 | -0.498 | -0.056 | 112.510 | 181.029 | 100.56% |
| 6 | 44 | Tony Kanaan | Honda/RI/F | 75.125 | -0.558 | -0.060 | 112.421 | 180.885 | 100.64% |
| 7 | 99X | Greg Moore | Mercedes/RI/F | 75.143 | -0.576 | -0.018 | 112.394 | 180.841 | 100.67% |
| 8 | 24 | Scott Pruett | Toyota/RI/F | 75.334 | -0.767 | -0.191 | 112.109 | 180.383 | 100.92% |
| 9 | 25X | Cristiano da Matta | Toyota/RI/F | 75.375 | -0.808 | -0.041 | 112.048 | 180.285 | 100.98% |
| 10 | 99 | Greg Moore | Mercedes/RI/F | 75.393 | -0.826 | -0.018 | 112.021 | 180.242 | 101.00% |
| 11 | 27 | Dario Franchitti | Honda/RI/F | 75.497 | -0.930 | -0.104 | 111.867 | 179.994 | 101.14% |
| 12 | 27X | Dario Franchitti | Honda/RI/F | 75.549 | -0.982 | -0.052 | 111.790 | 179.870 | 101.21% |
| 13 | 12X | Jimmy Vasser | Honda/RI/F | 75.564 | -0.997 | -0.015 | 111.768 | 179.834 | 101.23% |
| 14 | 6 | Michael Andretti | Ford Cos/SW/F | 75.623 | -1.056 | -0.059 | 111.680 | 179.694 | 101.31% |
| 15 | 5 | Gil de Ferran | Honda/RI/G | 75.682 | -1.115 | -0.059 | 111.593 | 179.554 | 101.39% |
| 16 | 8 | Bryan Herta | Ford Cos/RI/F | 75.736 | -1.169 | -0.054 | 111.514 | 179.426 | 101.46% |
| 17 | 11 | Roberto Moreno | Ford Cos/SW/F | 75.907 | -1.340 | -0.171 | 111.262 | 179.021 | 101.69% |
| 18 | 4 | Juan Montoya | Honda/RI/F | 76.002 | -1.435 | -0.095 | 111.123 | 178.798 | 101.82% |
| 19 | 18 | Mark Blundell | Mercedes/RI/F | 76.014 | -1.447 | -0.012 | 111.106 | 178.769 | 101.83% |
| 20 | 22X | Robby Gordon | Toyota/SW/F | 76.242 | -1.675 | -0.228 | 110.774 | 178.235 | 102.14% |
| 21 | 4X | Juan Montoya | Honda/RI/F | 76.274 | -1.707 | -0.032 | 110.727 | 178.160 | 102.18% |
| 22 | 17 | Mauricio Gugelmin | Mercedes/RI/F | 76.352 | -1.785 | -0.078 | 110.614 | 177.978 | 102.29% |
| 23 | 25 | Cristiano da Matta | Toyota/RI/F | 76.389 | -1.822 | -0.037 | 110.560 | 177.892 | 102.34% |
| 24 | 10 | Richie Hearn | Toyota/RI/F | 76.466 | -1.899 | -0.077 | 110.449 | 177.713 | 102.44% |
| 25 | 6X | Michael Andretti | Ford Cos/SW/F | 76.476 | -1.909 | -0.010 | 110.435 | 177.689 | 102.45% |
| 26 | 3 | Gonzalo Rodriguez | Mercedes/LT/G | 76.932 | -2.365 | -0.456 | 109.780 | 176.636 | 103.06% |
| 27 | 19 | Michel Jourdain Jr. | Ford Cos/LT/F | 77.078 | -2.511 | -0.146 | 109.572 | 176.302 | 103.26% |
| 28 | 20 | Jan Magnussen | Ford Cos/SW/F | 77.215 | -2.648 | -0.137 | 109.378 | 175.989 | 103.44% |
| 29 | 19X | Michel Jourdain Jr. | Ford Cos/LT/F | 77.215 | -2.648 | 0.000 | 109.378 | 175.989 | 103.44% |
| 30 | 12 | Jimmy Vasser | Honda/RI/F | 77.542 | -2.975 | -0.327 | 108.916 | 175.247 | 103.88% |
| 31 | 9 | Helio Castro-Neves | Mercedes/LT/F | 77.589 | -3.022 | -0.047 | 108.850 | 175.140 | 103.94% |
| 32 | 2 | Al Unser Jr. | Mercedes/LT/G | 77.772 | -3.205 | -0.183 | 108.594 | 174.728 | 104.19% |
| 33 | 20X | Jan Magnussen | Ford Cos/SW/F | 77.865 | -3.298 | -0.093 | 108.465 | 174.520 | 104.31% |
| 34 | 40X | Adrian Fernandez | Ford Cos/RI/F | 77.881 | -3.314 | -0.016 | 108.442 | 174.484 | 104.34% |
| 35 | 17X | Mauricio Gugelmin | Mercedes/RI/F | 77.931 | -3.364 | -0.050 | 108.373 | 174.372 | 104.40% |
| 36 | 36X | Gualter Salles | Toyota/EA/G | 78.072 | -3.505 | -0.141 | 108.177 | 174.057 | 104.59% |
| 37 | 71 | Memo Gidley | Ford Cos/LT/F | 78.415 | -3.848 | -0.343 | 107.704 | 173.296 | 105.05% |
| 38 | 15 | Naoki Hattori | Honda/RI/G | 78.591 | -4.024 | -0.176 | 107.463 | 172.907 | 105.29% |
| 39 | 71X | Memo Gidley | Ford Cos/LT/F | 81.732 | -7.165 | -3.141 | 103.333 | 166.263 | 109.49% |
| 40 | 36 | Gualter Salles | Toyota/EA/G | 82.089 | -7.522 | -0.357 | 102.883 | 165.539 | 109.97% |
| 41 | 5X | Gil de Ferran | Honda/RI/G | 88.482 | -13.915 | -6.393 | 95.450 | 153.579 | 118.54% |