411 REFERENCE · Wikipedia
1981 Champ Car season
Reference material by Wikipedia contributors. This retains its source identity and is not 411 news reporting.
The 1981 Champ Car season may refer to:
the 1981–82 USAC Championship Car season, which included five races in 1981
the 1981 CART PPG Indy Car World Series, sanctioned by CART, who would later become Champ Car