Did you look at the application guide at flex-a-lite.com?
Looks like the 180 Black Magic extreme will work on a 96 Mustang 4.6...
http://www.flex-a-lite.com/auto/html...c_x-treme.html
(The application guide is linked right underneath the pic if you click the link)
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Uncle Sam
"What the hell is up with all the gauges?
Calling Captain Kirk, your ride awaits... Phasers on stun...."