www.corvetteforum.com General and then to Autocrossing and roadracing thread. There is a for sale section at the top and people sell in the thread itself. Reason I am saying that is I see lots of CCW classics for sale cheap. You could re-hoop them to the back space you need for not much money
Here is a set of Forgelines cheap...wrong backspacing
http://forums.corvetteforum.com/auto...eels-18-a.html
You would have to use spacers on these
http://forums.corvetteforum.com/auto...5-w-tires.html
http://forums.corvetteforum.com/c5-p...-bfg-kdws.html