If you click on this link and then click on "click here for additional photos", you'll see a beautiful 88 roadster with the rare dual engine option L98/LT1. It also has dual dash, and special paint and interior color that change from black to ruby red. They probably only made one of these with this option configuration.
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&rd=1&item=4538108080&category=6168#mainImage
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&rd=1&item=4538108080&category=6168#mainImage