2wd Cossie 4 Pots dont require brackets to fit to the front of an Escort... They will however require 4mm machining off of the mounting surface of the caliper so that the caliper sits correctly over the 2wd discs.
You'll also need some special brake lines with a 90degree Banjo fitting on the caliper end so that the brake line doesnt foul the driveshaft / hub.
The mounting holes in the hubs will need to be tapped so that the caliper can be bolted on, and the lower mounting hole on the caliper will need to be elongated (stretched) slightly so that it lines up properly with the lower hole in the hub.
I did a better write up than this and i've got it saved somewhere... if i remember i'll dig it out and post it up!
Hope this helps a bit.........