I have used film this way for a long time. Usually the change in film is to lose speed not gain, however, if that is what has happened that is the way it is. Take the film out and let it warm up to room temperature before using.(posted 8480 days ago)The only problem i had was when the film was over 8 years old, everything seemed fine until a few weeks after film was developed, when the emulsion began to flake off. Needless to say and never let the film get that old anymore. Usually, a few years just effects speed. As I remember I just my standard developing time which is based on my equipment, etc. Run a test roll and find out.