So by the time you've picked up the wheels off whoever might lend you them, then given them back afterwards....the petrol money & time its going to cost you in doing so you might as well go & buy 2 sets of these....

http://cgi.ebay.co.uk/PAIR-OF-2-TONN...QQcmdZViewItem

Least then you'll them in the future for when you need to do work on it....which you will as its a cossie!!!