Thanks for the input guys.
Yes, the rear end is out of a 2wd ln86 diesel Hilux. It measures 35mm wider than the Escort unit so with the increase of ~10mm a side on the front track the thing should work. If not then I suppose changing wheel offsets (front or rear) as required is cheaper than shortening a diff.
Just been on FB and Scott is looking for expressions of interest for the 5 stud 114.3 PCD hub.
His number is 0417 745 453
There are a few impressions of how hub will look https://www.facebook.com/...link/4135884193169491/