1964 Impala SS Convertible – 409 Posted on November 16, 2006 by Dave StrombergerApril 15, 2011 This attractive looking 64 Chevrolet Impala Super Sport Convertible is painted Satin Silver Poly (TRIM code 940) although the cowl tag shows that it originally was Goldenwood Yellow (943). It has a 409 engine and a 4-speed transmission. FacebookTwitterPinterest Related posts: Cowl Tag Decoding – 1958 through 1964 Chevrolet 1960 Chevrolet Dealer Album – Power Teams VIN Tag Decoding – 1960 through 1964 Chevrolet Prototype Clay Models – 1963 1964 Chevrolet 1964 Chevrolet Paint Chips