The R33/R36 cars on the IRT #7 line seen approaching 45 Road station in Long Island City, Queens were not painted red until 1985/1988. Most were in their original turquoise colors in 1981. The MTA "M" logos at the end of each car were not installed on these cars until the late 1980s (1986-88).
Author Lorenzo Carcaterra has claimed that his book on which the film is based was a true story of his childhood. When the New York legal community went on record stating that no cases resembling the events of his book could be found in any court records, Carcaterra refused to discuss the discrepancy. His claims have been neither proven or disproven.