Complex sentence: In 2004 he made his Champ Car debut the second half of the season for Paul Gentilozzi's Rocketsports effort, He currently races for Dyson Racing in the American Le Mans Series driving a Porsche RS Spyder with Chris Dyson.
Split into simpler sentences: In 2004 he made his Champ Car debut the second half of the season for Paul Gentilozzi's Rocketsports effort. Smith currently races for Dyson Racing in the American Le Mans Series, driving a Porsche RS Spyder with Chris Dyson.