To the casual summer cruise night spectator, it would seem that Chevrolet made nothing but two-door hardtops and convertibles through much of the 1960s. But this 1964 Chevy Impalafour-door sedan, spotted a few years ago in Niagara Falls, is proof that the bow tie was indeed attached to the stray family car every now and then, Lol (millions of times!). The Dutch brochure talks about the ’64 I