Hi Wolf!
The informations about all units are saved in the folders [font="Courier New"]...\AGEod's American Civil War\ACW\GameData\Models\[/font] and [font="Courier New"]...\AGEod's American Civil War\ACW\GameData\Units\[/font].
If you want to edit the values you may also download the compleate AACW DB from
http://www.ageod-forum.com/showthread.php?t=3974, edit the files [font="Courier New"]AACW_DB_Models.xls[/font] and, if needed, [font="Courier New"]AACW_DB_Units.xls[/font] and export the DB via the CSV Splitter program.
If you have further questions just post an example of what you like to change and I, or another one who has really an idea about modding (and is not only pretending as I) will post an example.
Cheers
Norbert