I called TMS and talked to Nick a few minutes ago and have found out that the original Stallions did have this feature but so many folks lost there keys and it is such a hassle to get keys if you don't have one, so they just quit making it work.
at least that is the answer I got
I also had a blank made and the Stallion will start with it, so does NOT a chip and the passive anti-theft system does not work.
the thread "Stallion Story of the day" also has info on this subject, Lunchbox1983 started that thread.