Help! Exporting Humvee w/ Changes

I got the humvee pack and have it working. I can re export the humvee, as a different name, with different materials assigned to it and get it to work in the game, i.e. drive it around and all that. I'm trying to add some battle damage to it by adjusting some of the faces in the model. The problem is that when I export the humvee with changes, the changes don't appear in the model and it looks the same as before. (Yes I have looked at the script file and changed the shape being loaded to the newly named .DTS file) I have even made some extreme changes just to see if those changes will show up. I have also tried adding a gps satellite shape to the top of the humvee and the shape will not appear on the humvee in game. Has anyone worked with the humvee content pack and adjusted the model before? Is there a naming convention for detail meshes or anything special I need to do in the .DTS exporter to get my added shapes or changes to export with the humvee? I am using the new .DTS converter that came out on July 13 and max 8. Thanks in advance for any help.