Boffin1: A large ve-hicle from Detroit with small tailfins
Or maybe best called Detroit land sharks?
http://www.google.com/search?q=large+tail+fin+cars&hl=en&tbo=u&tbm=isch&source=univ&sa=X&ei=kGOBUPCUDITC9gS074CoBg&sqi=2&ved=0CEYQsAQ&biw=1024&bih=804
Lefty
