I am Repairing/redoing a poor, abused home. It is about 140 years old and has spent the last few of decades as a rental. I have repaired most of it, but the old front door is beyond quick repair. I will be working to repair the door, but it is going to take time and creativity. The problem is that the door frame is 36" x 83" and the doors that I can get anytime soon are the standard 80" so I need to shorten the doorwy by three inches. This front entry is very nice, and large. There is no door frame to separate out and the whole thing would have to be torn out (including side windows). That is beyond our budget and ability of the local contractors. I am afraid that the entry would not be restored properly so I am trying to find a fix until I can find properly repair the old door. Is it possible to add three inches of material to the top of the doorway and fit the new door in? I can fill the hinge cut outs and redo them. I can also add molding to cover the addition of material, but I am not sure that a doorway can be shorten and still work properly. Any suggestions would be very welcome.