You need to take about 10 or 20 high resolution photos of that car inside,outside,engine compartment,etc. What few pics I've seen are kinda poor quality. Showing off how clean it is will help alleviate concerns on the high mileage. If it were my car,I would also advertise it here.
http://zr1netregistry.com/Marketplace/ZR1sForSale.aspx
We really are trying to help you find that ZR-1 a new home. Help us do so.
You will most likely lose your *** trying to sell it at an auction,seriously.