Widely considered as the best AMC design of all time, a third-generation AMX concept car, the AMX/3, debuted at the 1970 Chicago Auto Show. Engine-less and fashioned in fiberglass, the original AMC/3 prototype was a show car only. American Motors placed an order for 30 operational cars. The AMX/3 body mold was sent to Italian GT maker Giotto Bizzarrini, whose Turin facility hand made drivable mid-engined, steel bodied cars. Built on a 105.3-inch…