The Explorer 5.0s had a wasted spark ignition system. The 1999 to 2001 Explorer 5.0 pcm had PATS.
Somebody correct me if I'm wrong, but I think that the first year that the Crown Victoria was coil-on-plug was 1998.
A few years back, I had a 1999 Ranger that had a chip key, transponder, or PATS...