About 30 minutes into the movie the group stops to rest and Jamie and Roy start to argue. During the argument, which takes place in one spot, the actors go from being in full sunlight to partial shade to full shade and back numerous times indicating the scene was assembled from several shots made at various times during the day.
During the opening credits they lose the right front hub cap. 10 seconds later Nick E. Tarabay's character is sitting right next to the same right front tire, complete with hub cap.