This was originally slated to be Steven Spielberg's first theatrical feature and he spent over two months on pre-production. He then decided he did not want to do this film and quit to go do The Sugarland Express (1974).
Uncredited film debut of Laura Dern. She can be seen in a few scenes as Maggie's blond-haired daughter. Maggie is played by her real-life mother, Diane Ladd.
The I-30 Speedway was used as the Benton Speedway. This speedway is actually in Pulaski County in Little Rock, Arkansas, near Saline County, where Benton is actually located.