Here are a number of pictures that might help. It would be helpful to the Fordbarner to be more specific as to which Fordor you need information about. There are significant differencers between the various models and years.
Gar Williams
https://www.google.com/search?q=mod...Fwww.model-a-ford.com%2Fproj_11.shtml;640;480
Terry I can give you some partial dimensions of the front bottom piece of wood. Will that help?
Mike