This 1965 Chevrolet Malibu SS convertible wears Evening Orchid over a white bucket seat interior with a four-speed manual, which is about as bold a specification as a buyer could order that year. The Malibu SS was a trim and appearance package rather than a factory hot rod, but 1965 turned out to be the year Chevrolet quietly changed what a Chevelle could be. What arrived partway through the model year reshaped the entire line. Read on for the mid-year decision that made 1965 matter.