Race No. 4
Bosch Spark Plug Grand Prix Presented by Toyota
Nazareth Speedway — Nazareth, PA
April 24-26, 1998
Monday Warmup Report
| pos | car | driver | chassis engine tire | laptime | gap to leader | gap to next | mph | km/h | 110% rule |
| 1 | 11 | Christian Fittipaldi | 009.c/XD/G | 19.445 | 0.000 | 0.000 | 175.140 | 281.800 | n/a |
| 2 | 99 | Greg Moore | 98I/108E/F | 19.454 | -0.009 | -0.009 | 175.059 | 281.670 | n/a |
| 3 | 24 | Robby Gordon | 98I/RV8C/F | 19.511 | -0.066 | -0.057 | 174.548 | 280.847 | 100.32% |
| 4 | 17 | Mauricio Gugelmin | 98I/108E/F | 19.528 | -0.083 | -0.017 | 174.396 | 280.603 | 100.40% |
| 5 | 9 | JJ Lehto (R) | 98I/108E/F | 19.586 | -0.141 | -0.058 | 173.879 | 279.772 | 100.70% |
| 6 | 33 | Patrick Carpentier | 98I/108E/F | 19.608 | -0.163 | -0.022 | 173.684 | 279.458 | 100.81% |
| 7 | 1 | Alex Zanardi | 98I/HRK/F | 19.614 | -0.169 | -0.006 | 173.631 | 279.372 | 100.85% |
| 8 | 8 | Bryan Herta | 98I/XD/F | 19.663 | -0.218 | -0.049 | 173.198 | 278.676 | 101.10% |
| 9 | 26 | Paul Tracy | 98I/HRK/F | 19.742 | -0.297 | -0.079 | 172.505 | 277.561 | 101.50% |
| 10 | 19 | Michel Jourdain Jr. | 98I/XD/F | 19.755 | -0.310 | -0.013 | 172.392 | 277.378 | 101.57% |
| 11 | 20 | Scott Pruett | 98I/XD/F | 19.766 | -0.321 | -0.011 | 172.296 | 277.224 | 101.63% |
| 12 | 18 | Mark Blundell | 98I/108E/F | 19.769 | -0.324 | -0.003 | 172.270 | 277.182 | 101.64% |
| 13 | 10X | Richie Hearn | 009.c/XD/F | 19.794 | -0.349 | -0.025 | 172.052 | 276.832 | 101.77% |
| 14 | 12 | Jimmy Vasser | 98I/HRK/F | 19.814 | -0.369 | -0.020 | 171.878 | 276.552 | 101.87% |
| 15 | 40 | Adrian Fernandez | 98I/XD/F | 19.834 | -0.389 | -0.020 | 171.705 | 276.274 | 101.98% |
| 16 | 5 | Gil de Ferran | 98I/HRK/G | 19.836 | -0.391 | -0.002 | 171.688 | 276.246 | 101.99% |
| 17 | 7 | Bobby Rahal | 98I/XD/F | 19.893 | -0.448 | -0.057 | 171.196 | 275.454 | 102.28% |
| 18 | 27 | Dario Franchitti | 98I/HRK/F | 19.954 | -0.509 | -0.061 | 170.673 | 274.612 | 102.59% |
| 19 | 98 | PJ Jones | 98I/RV8C/G | 20.112 | -0.667 | -0.158 | 169.332 | 272.455 | 103.41% |
| 20 | 25 | Max Papis | 98I/RV8C/F | 20.276 | -0.831 | -0.164 | 167.962 | 270.251 | 104.25% |
| 21 | 77 | Arnd Meier | 97I/XD/G | 20.355 | -0.910 | -0.079 | 167.310 | 269.202 | 104.66% |
| 22 | 16 | Helio Castro-Neves (R) | 98I/108E/G | 20.361 | -0.916 | -0.006 | 167.261 | 269.123 | 104.69% |
| 23 | 2 | Al Unser Jr. | P98/108E/G | 20.425 | -0.980 | -0.064 | 166.737 | 268.280 | 105.02% |
| 24 | 21 | Tony Kanaan (R) | 98I/HRK/F | 20.462 | -1.017 | -0.037 | 166.435 | 267.794 | 105.21% |
| 25 | 34 | Dennis Vitolo | 98I/XD/F | 20.631 | -1.186 | -0.169 | 165.072 | 265.601 | 106.07% |
| 26 | 6 | Michael Andretti | 009.c/XD/G | 21.472 | -2.027 | -0.841 | 158.607 | 255.198 | 110.40% |