Why why why would you replace the turbo motor in your Ur Quattro with a NA 5 cylinder? http://cgi.ebay.com/AUDI-UR-QUATTRO-WITH-A-DIFFERENCE_W0QQitemZ4638903817QQcategoryZ9835QQrdZ1QQcmdZViewItem The those rear fenders don't look like add-ons to me. Andrew Finney 1983 and 1985 UrQs.