Hi Graeme,
I've not worked on an integrale, but I live in Monkton and service my own Lancia Thema which has fundamentally the same engine.
If I ever have jobs to do that are beyond my capabilities, mainly welding (I do my own timing belt changes etc), I use Seaplane Motors in Drongan.
Davy McColl is an old school mechanic and all round good bloke.
Be good to meet up with you as we have quite a cluster of Lancia in the area. Fulvia in Troon, Monte in Prestwick, your integrale and my Thema SW and Flavia in Monkton.
That's 4 Lancisti so we're quorate.