Race No. 13
Tenneco Automotive Grand Prix of Detroit
Belle Isle — Detroit, Michigan
August 6-8, 1999
Saturday Individual Practice 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 | 99X | Greg Moore | Mercedes/RI/F | 75.143 | -0.576 | -0.078 | 112.394 | 180.841 | 100.67% |
| 7 | 24 | Scott Pruett | Toyota/RI/F | 75.334 | -0.767 | -0.191 | 112.109 | 180.383 | 100.92% |
| 8 | 25X | Cristiano da Matta | Toyota/RI/F | 75.375 | -0.808 | -0.041 | 112.048 | 180.285 | 100.98% |
| 9 | 99 | Greg Moore | Mercedes/RI/F | 75.393 | -0.826 | -0.018 | 112.021 | 180.242 | 101.00% |
| 10 | 27 | Dario Franchitti | Honda/RI/F | 75.497 | -0.930 | -0.104 | 111.867 | 179.994 | 101.14% |
| 11 | 44 | Tony Kanaan | Honda/RI/F | 75.522 | -0.955 | -0.025 | 111.830 | 179.934 | 101.18% |
| 12 | 27X | Dario Franchitti | Honda/RI/F | 75.549 | -0.982 | -0.027 | 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 | 4 | Juan Montoya | Honda/RI/F | 76.002 | -1.435 | -0.320 | 111.123 | 178.798 | 101.82% |
| 17 | 18 | Mark Blundell | Mercedes/RI/F | 76.014 | -1.447 | -0.012 | 111.106 | 178.769 | 101.83% |
| 18 | 22X | Robby Gordon | Toyota/SW/F | 76.242 | -1.675 | -0.228 | 110.774 | 178.235 | 102.14% |
| 19 | 17 | Mauricio Gugelmin | Mercedes/RI/F | 76.352 | -1.785 | -0.110 | 110.614 | 177.978 | 102.29% |
| 20 | 25 | Cristiano da Matta | Toyota/RI/F | 76.389 | -1.822 | -0.037 | 110.560 | 177.892 | 102.34% |
| 21 | 11 | Roberto Moreno | Ford Cos/SW/F | 76.409 | -1.842 | -0.020 | 110.531 | 177.845 | 102.36% |
| 22 | 8 | Bryan Herta | Ford Cos/RI/F | 76.497 | -1.930 | -0.088 | 110.404 | 177.641 | 102.48% |
| 23 | 10 | Richie Hearn | Toyota/RI/F | 76.832 | -2.265 | -0.335 | 109.923 | 176.866 | 102.93% |
| 24 | 3 | Gonzalo Rodriguez | Mercedes/LT/G | 76.932 | -2.365 | -0.100 | 109.780 | 176.636 | 103.06% |
| 25 | 19 | Michel Jourdain Jr. | Ford Cos/LT/F | 77.078 | -2.511 | -0.146 | 109.572 | 176.302 | 103.26% |
| 26 | 20 | Jan Magnussen | Ford Cos/SW/F | 77.215 | -2.648 | -0.137 | 109.378 | 175.989 | 103.44% |
| 27 | 2 | Al Unser Jr. | Mercedes/LT/G | 77.772 | -3.205 | -0.557 | 108.594 | 174.728 | 104.19% |
| 28 | 20X | Jan Magnussen | Ford Cos/SW/F | 77.865 | -3.298 | -0.093 | 108.465 | 174.520 | 104.31% |
| 29 | 36X | Gualter Salles | Toyota/EA/G | 78.072 | -3.505 | -0.207 | 108.177 | 174.057 | 104.59% |
| 30 | 71 | Memo Gidley | Ford Cos/LT/F | 78.415 | -3.848 | -0.343 | 107.704 | 173.296 | 105.05% |
| 31 | 15 | Naoki Hattori | Honda/RI/G | 78.591 | -4.024 | -0.176 | 107.463 | 172.907 | 105.29% |