 After working on the script, he pitched it to Sho Films because of an existing working relationship to get advice on how to get the film made, in which their executives agreed to develop it.Principal photography began in Valencia, California in July 1985 on a six-week shooting schedule.Special effects coordinator Chuck Stewart hired Joseph Lombardi as a consultant for the scene of the barn exploding, where they rigged second-floor ceiling with Primacord that carried an explosive charge inside it.