Race No. 4
Bosch Spark Plug Grand Prix Presented by Toyota
Nazareth Speedway — Nazareth, PA
April 24-26, 1998
The Grid
| pos | car | driver | chassis engine tire | laptime | gap to leader | gap to next | mph | km/h | 110% rule |
| 1 | 33 | Patrick Carpentier | 98I/108E/F | 18.419 | 0.000 | 0.000 | 184.896 | 297.498 | n/a |
| 2 | 99 | Greg Moore | 98I/108E/F | 18.628 | -0.209 | -0.209 | 182.822 | 294.160 | n/a |
| 3 | 6 | Michael Andretti | 009.c/XD/G | 18.636 | -0.217 | -0.008 | 182.743 | 294.034 | 100.61% |
| 4 | 5X | Gil de Ferran | 98I/HRK/G | 18.640 | -0.221 | -0.004 | 182.704 | 293.971 | 100.63% |
| 5 | 12 | Jimmy Vasser | 98I/HRK/F | 18.652 | -0.233 | -0.012 | 182.586 | 293.781 | 100.70% |
| 6 | 11 | Christian Fittipaldi | 009.c/XD/G | 18.658 | -0.239 | -0.006 | 182.528 | 293.687 | 100.73% |
| 7 | 8 | Bryan Herta | 98I/XD/F | 18.725 | -0.306 | -0.067 | 181.874 | 292.636 | 101.09% |
| 8 | 1 | Alex Zanardi | 98I/HRK/F | 18.729 | -0.310 | -0.004 | 181.836 | 292.574 | 101.11% |
| 9 | 7 | Bobby Rahal | 98I/XD/F | 18.819 | -0.400 | -0.090 | 180.966 | 291.174 | 101.60% |
| 10 | 26 | Paul Tracy | 98I/HRK/F | 18.822 | -0.403 | -0.003 | 180.937 | 291.128 | 101.61% |
| 11 | 40 | Adrian Fernandez | 98I/XD/F | 18.847 | -0.428 | -0.025 | 180.697 | 290.742 | 101.75% |
| 12 | 20 | Scott Pruett | 98I/XD/F | 18.882 | -0.463 | -0.035 | 180.362 | 290.203 | 101.94% |
| 13 | 10X | Richie Hearn | 009.c/XD/F | 18.895 | -0.476 | -0.013 | 180.238 | 290.003 | 102.01% |
| 14 | 17 | Mauricio Gugelmin | 98I/108E/F | 18.977 | -0.558 | -0.082 | 179.459 | 288.750 | 102.45% |
| 15 | 9 | JJ Lehto (R) | 98I/108E/F | 18.983 | -0.564 | -0.006 | 179.403 | 288.659 | 102.48% |
| 16 | 21 | Tony Kanaan (R) | 98I/HRK/F | 18.999 | -0.580 | -0.016 | 179.252 | 288.416 | 102.57% |
| 17 | 27 | Dario Franchitti | 98I/HRK/F | 19.004 | -0.585 | -0.005 | 179.204 | 288.340 | 102.60% |
| 18 | 2 | Al Unser Jr. | P98/108E/G | 19.085 | -0.666 | -0.081 | 178.444 | 287.116 | 103.03% |
| 19 | 16 | Helio Castro-Neves (R) | 98I/108E/G | 19.110 | -0.691 | -0.025 | 178.210 | 286.740 | 103.17% |
| 20 | 25 | Max Papis | 98I/RV8C/F | 19.118 | -0.699 | -0.008 | 178.136 | 286.620 | 103.21% |
| 21 | 18 | Mark Blundell | 98I/108E/F | 19.122 | -0.703 | -0.004 | 178.099 | 286.561 | 103.23% |
| 22 | 34 | Dennis Vitolo | 98I/XD/F | 19.153 | -0.734 | -0.031 | 177.810 | 286.097 | 103.40% |
| 23 | 19 | Michel Jourdain Jr. | 98I/XD/F | 19.213 | -0.794 | -0.060 | 177.255 | 285.203 | 103.73% |
| 24 | 24 | Robby Gordon | 98I/RV8C/F | 19.304 | -0.885 | -0.091 | 176.419 | 283.859 | 104.22% |
| 25 | 98 | PJ Jones | 98I/RV8C/G | 19.332 | -0.913 | -0.028 | 176.164 | 283.448 | 104.37% |
| 26 | 77 | Arnd Meier | 97I/XD/G | 19.562 | -1.143 | -0.230 | 174.093 | 280.115 | 105.61% |