In 2004, Hemelgarn Racing was unable to acquire sponsorship for the entire season, leaving Lazier without a car to drive for the season. Lazier only competed in the Indianapolis 500. Lazier first practiced in the No. 24 Dallara IR03-Chevrolet for Dreyer &amp; Reinbold Racing on May 21, two days before Bump Day. Felipe Giaffone had already qualified the team's primary car and Lazier was practicing for the team in both Giaffone's qualified car and also the team's back-up car in preparation for potentially attempting to qualify for the race. On Lazier's first day on the track, he was the fastest of the unqualified drivers with a speed of . Hemelgarn Racing became the entrant of the car while Dreyer &amp; Reinbold partnered with the team. The back-up car became the No. 91 Dallara IR03-Chevrolet and Lazier started in 28th place. In the race Lazier moved through the field into the top 15 positions and was running in 12th place when he retired after 164 laps due to a fuel system failure. Lazier finished in 30th place in the final championship standings with 12 points.