In 1998, the last of the air-cooled Porsche 911s rolled off the production line at Stuttgart, soon to be replaced with a newer, more modern water-cooled variant of the classic rear-engined sports coupe. Fortunately, for Porsche fans and company shareholders alike, the water-cooled 996 Series proved to be a venerable replacement for the air-cooled 993 and still commands impressively high prices on the second-hand vehicle market. For some fans though, the only �true� Neunelfer is the original: the 911 Classic built from 1963 until 1989. Back in those days Porsches were lightweight, rear-engined and � most importantly � air-cooled. By the end of the �80s, however, outside concerns such as passenger safety, comfort and emissions regulations were � to some purists � killing the Porsche brand. Enthusiasts began demanding a purer 911 and, in 2009, L.A.�s Singer Vehicle Design responded.
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