Eventually fitted these discs [with the help of the forum] and
WOW are they
GOOD.....Ive had standard discs on 3 or 4 mokes before, and well adjusted drum brakes with boosters, but these are just Great....I think its just the size of the calipers that makes the difference , so if your thinking of a disc brake upgrade and on the cheep this may be the way to go legalities aside.....
I AM SUPER IMPRESED.....I have a template of the adapter if any one is interested