262 cubic inches Can't be right that it has anything to do with a Monte Carlo! I got a straight up 6 1954 Chevy! It's heavy body.
The fuel lines around the filter; you will need an adapter.
The 3.8 L - V6 engine - in a 1996 Ford Mustang is 232 cubic inches
231 cubic inch (3.8 Liter) V6 350 cubic inch (5.7 Liter) V8
The Ford 4.0 liter V6 engine is (245 cubic inches )
3.8 liter = 231.89 cubic inches
231.890228 cubic inches.
239
3.8 liters = 232 cubic inches.
Don't know what year you have but some sensors are temperature sensitive and you should run a 195 degree thermostat.
It should be on the front of the intake manifold directly above and behind the water pump.
You could have either : The 4.2 liter / 256 cubic inch V6 4.6 liter / 281 cubic inch V8 5.4 liter / 330 cubic inch V8
There is one before and one after the catalytic converter.