Good sources, thx. Another one that's useful: http://adaptitusa.com/referencebook.htm

If you copy/paste into Excel, you can filter on the bolt pattern and centerbore and end up with a list of vehicles. From that, you can painfully gather the wheel size and offset data and end up with a list of possible vehicles. Or just go to a wheel/tire shop and get them to do it. Making progress.

Chip Bearden