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Carbon fiber - Wikipedia, the free encyclopedia

History of Carbon Fiber

In 1958, Dr. Roger Bacon created the first high performance carbon fibers at the Parma Technical Center outside of Cleveland, OH.[3]The first fibers were manufactured by heating strands of rayon until they carbonized. This process proved to be inefficient, as the resulting fibers contained only about 20% carbon and had low strength and stiffness properties. In the early 1960s, a process was developed using polyacrylonitrile as a raw material. This produced a carbon fiber that contained about 55% carbon and had much better properties. The polyacrylonitrile conversion process quickly became the primary method for producing carbon fibers.[4]
On the 14th January 1969, Carr Reinforcements wove the first ever Carbon fibre fabric in the world.[5]
During the 1970s, experimental work to find alternative raw materials led to the introduction of carbon fibers made from a petroleum pitch derived from oil processing. These fibers contained about 85% carbon and had excellent flexural strength.[6]

I rather doubt that there was any Carbon Fiber on these cars in their original form...