When Johnnie spray paints the Hardin High cars actress Jennifer Ashley wears a Boy Scouts Of America shirt from the San Gabriel Valley Council. She wears the same shirt again in the film Tintorera - Meeresungeheuer greifen an (1977).
A "Dawn 120" cigarette counter display is visible when Johnnie buys beer. Dawn 120s were a longer cigarette that sold poorly and were only available from mid 1975 to mid 1976.
After the film's initial run in 1976 as an R rated feature, a second run in February 1977 featured a PG version that was 80 seconds shorter with the deletion of some of the stronger language and the sex scenes were shortened.
The music on the soundtrack was, in fact, originally a 20th Century Records self-titled 1975 album by the group Cotton, Lloyd & Christian. Copies of that album that were returned to 20th Century were repackaged and redistributed in 1976 upon release of the film. On most copies, "The Pom Pom Girls" title appeared on the album jacket but not on the record's label.
A student trying out for the cheerleaders wears an "Archie Bunker for President" T-shirt. While this shirt first appeared in the run up to the 1972 presidential election the slogan remained a part of popular culture into the second half of the 1970s.