SearchinQ

http://www.ascsracing.com/
Midwest/Southwest based racing series for 360 Sprint Cars. Official site contains news, point standings, race results, and driver biographies.

http://www.sprintcarnews.com/
Rick Rarer's OH/PA Sprint Car racing website.

http://www.worldofoutlawsracing.com/
Major sanctioning body for outlaw racing within the United States. Includes car specifications, history, photo gallery, schedule, and results.