Apparently he is kinda new to forums so he isn't use to remembering all the rules, like I am. and obviously, like me, he doesn't know how to get to where you change models, so tell him and me how to do it, or make it.
Go to the server.cs file for the vehicle and find the primary vehicle datablock. One of the values will be "ShapeFile=___". Just change it to the file you want.
