I served my apprenticeship on Essex engines at Ford dealer in UK and although they sound good, and are pretty tough, would not be my 1
st choice for an Escort. Plastic timing gears and hex drive oil pump, I am not the biggest fan, (sorry Marty the German V6 isn’t on my favourites list either).
A mob called savage, in the UK, fitted the Essex to MK2 Cortina’s and MK1 Escorts back in the 70s and early 80s. just as something different to the XFlow/Pinto/BDA.
If you are looking at something different in an Escort, then OK, but it will destroy the Escorts biggest advantage, well balanced handling. Just ask the Capri Cologne team which car they were chasing at Nurburgring for many events. (4 cylinder escorts).
This is just an opinion and like backsides, everybody has one.