Date Race Location January 17 Raceway Park Tucson Ariz. March 5 Motor Speedway Las Vegas Nev. March 27 International Raceway Phoenix Ariz. April 11 Mesa marin Speedway Bakersfield, Calif. May 1 California Speedway Fonatana, Calif. May 16 Pikes Peak International Raceway Fountain, Col. June 19 Speedway Irwindale Calif. July 18 Evergreen Speedway Monroe, Wash. August 14 Speedway Portland Ore. August 21 Speedway Irwindale Calif. September 6 Rocky Mountain Raceways Salt lake City, Utah September 25 Motor Speedway Las Vegas Nev. October 17 Mesa marin Speedway Bakersfield, Calif. November 21 Twin Ring Motegi Motegi City, Japan