A thank you would have been the minimum courtesy. The lack of civilty precludes any further effort to offer assistance.
EDIT "Nothing wrong with a reply of initial puzzlement Carlos. Probably an assumption was made by Robert that further dialogue would give the opportunity for showing gratitude for your input." walter
Walter, of course you are right. I've been discourteous myself. The tires are Dunlops and their competion site has a contact section (listed at the bottom of the page). They may be able offer help:
http://www.dunloptyres.co.uk/ourTyres/motorsport/