Fray Pictured on the RightDonald N. Frey, the engineer who spearheaded the design and development of the original Ford Mustang, the car that started the “pony car” wars has died. That first Mustang rolled out in 1964 to become one of the most successful car introductions in automotive history. Frey passed away March 5 in Evanston, Ill., where he lived. He was 86.
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