One of the biggest changes on the 1964 Impala was the return of the 409 big-block V8, the almighty engine that was first offered earlier in the same decade. Chevrolet needed a big-block engine to ...
Introduced as a top-of-the-line full-size in 1958, the Chevrolet Impala needed only a few years to morph into a high-performance rig. It happened in 1961 when Chevrolet began offering the SS (Super ...