It's an oil cooler John, Luddite mentioned he had one on his earlier Plus 8 too, I hadn't realised they had one fitted to the early one's.

I will ask Bob about the boat Graham, it intrigued me.

2009 4/4 Sport Henrietta
1999 Indigo Blue +8
2009 4/4 Sport Green prev
1993 Con Green +8 prev