Bobby U's early years at Indy were with the Novi. Those cars had 500+ HP at a time when a good Offy was putting out 375 HP. Said to be a tricky car to drive fast, many veteran Indy car drivers stayed away from them. As a rookie Bobby qualified easily. His first two qualifying laps were identical in time and speed, each following lap was faster yet.
Below is a link to an audio recording of that qualification run. The shriek of the Novi is awesome.