where to get a carburettor for a 85 talbot express 2lt petrol?

I'm back after another extensive websearch nothing only the following

www.preloved.co.uk it appears to be a Talbot forum preloved club so try them some one might be able to help.
You cold also try this carb hospital get yours repaied if its possible.
www.carburettorspecialists.com
Even tried my mate who's a mechanic. nothing.
Bob touring caravan owner.

Bob
January 2010