ok the territory engine is not a ford engine it is a citroen engine which is used in the peugeot 607, jaguar xf 2005 - 2010 (twin turbo), landrover discovery 3 + 4 2005 - 2011 (single turbo) and range rover sport 2005 - 2010 (single turbo). It is a bit under powered in the discos and sports but still better than the rd28 in a patrol, if you were considering doing this you may want to look at the 3.0 v6 used across the JLR range (XF Jag to RR Vogue) which is twin turbo and basically the same motor with huge improvements.