Factual error: In the scene where Lloyd puts on a record on over the loud speaker to get ready for school in the morning, it plays Ice Ice Baby. This song was first released in 1990, whereas the film's set in the 80's.
Factual error: Throughout the movie, Lloyd and Harry often drink Slushees. However, Slushee was not a company until 1996.
Factual error: In the scene where the principal is in the car asking about the chest. They pass by a house with a 1990's Chevrolet Suburban.