Wonder why he cant sell this duster?

http://cgi.ebay.com/ebaymotors/1972...ewItemQQptZUS_Cars_Trucks?hash=item19ba0b6c52

Take a look see for yourself I cant count how many times ive seen this car listed. I thought it was a good deal until I saw the pwerplant that was inside of it. Then I realized why it wont sell.