Is it easy to turbo a Fairmont EF with a tickford motor? Or is it possible to fit a BA XR6 turbo motor in my vehicle?

It would depend on how much horsepower you are planning to achieve, to be honest. If you had the time and were able to do the fabrication work yourself, then I would go the BA XR6 conversion route, as shown in the link below.

http://www.fordmods.com/the-garage-f53/bbqburners-daily-turned-toy-d-t93182.html

Otherwise, boost the engine you currently have.