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I've just been running a report on a site and noticed that while they have a .co.uk domain it is hosted on a server in the United States and just wondered if anyone was aware, if the physical location of a server mattered to search engines for ranking purposes especially with local search?

a bit of a catch 22 position here that i could use some advice on please! We look after a few Car dealership sites that have daily (some 3 times a day) stock feeds that add and remove cars form the site, which in turn removes/creates pages for each vehicle. We all know how much search engines like sites that have content that is updated regularly but the frequency it happens on our sites means we are left with lots of indexed pages that are no longer there. now my question is should i nofollow/disallow robots on all the pages that are for the details of the vehicles meaning the list pages will still be updated daily for "new content" or allow google to index everything and manage the errors to redirect to relevant pages? is there a "best practice" way to do this or is it really personal preference?