The piccie is from 1988, it is totally sierra floorpan(shortened to suit the std/ish rst body), with sierra cossie yb and 4wd running gear.
Left is John Wheeler(engineer) and on the right is Mike Moreton(product planner).
There is also a in line 6 cylinder YB engine, and 1 acropolis escort in existence, as ford sold it off, but removed the signage.
tabetha