Hi guys.
It's the BL E series engine in 2.6 litre guise.
Same family of engines as used in Allegro/Maxi 1500 & 1750cc (4 cyl), Princess 2200 6 cyl and finally the 2.6 which I don't think found a home under any UK bonnets unless perhaps the Rover SD1?
Remember an old boss of mine having a...