I'm not sure either as to why the two Vhost files are identical size. I will look into this and report back (perhaps in a new topic).
However, in an attempt to close out this thread, I was able to disable TRACE using the "TraceEnable off" directive. The problem was that I was only turning it off on port 80 and not 81. Here is a site that made me realize I needed to do it for both ports, with some info on how to do it:
As always, thanks for your help!