That'll be a ton of work. Keep in mind the AWD escapes are still FWD based. If you feel you can do it, then by all means try. But you'll definitely have a lot of work cut out for you. If you want the 4x4/ AWD system, it'd be better to just start with that to begin with.
2011 Escape limited AWD V6 (301A) sterling gray metallic
Hidden hitch tow hitch, OEM all weather floor mats, ESCAPE third brake light overlay, sport appearance headlamps, strut tower brace, Drag Wheels DR-33 rims, Mazda Tribute tail lights
Firestone Destination A/Ts P235/75/R16
Plastidip: smoked tail lights, gloss black shifter bezel, gloss black air vent trim
OEM black moulding (grille, bumper, hatch)
LEDs: front turn signals, front side markers, Morimoto XB LED fog lights, VLEDs V3 Triton Switchbacks
Hopefully some more to come in the future...(suggestions welcome