1966 Plymouth Barracuda
In 1966 the Barracuda would receive a new taillight design and a facelift, making it easily distinguishable from the 1964 and 1965 versions. As a move to further the car's image from that of the Valiant, the blue and red "V" shaped Valiant emblem below the rear glass on the center of the vehicle was replaced mid-year by a Barracuda fish emblem. The 1966 model had updated sheetmetal, which gave a more chiseled contour to the fenders, and also featured fender-top turn signal indicators in the shape of shark fins. Also new were full-sized bumpers and a unique "cheese-grater" grill, which slanted forward aggressively and featured a distinct grid pattern. Other changes for 1966 included a redesigned gauge cluster and optional center console.
Since 1967 saw a complete redesign of the Barracuda, some collectors consider the 1966 model a unique, one-year-only rarity. Other early A-Body enthusiasts shun the 1966 version as an unfortunate departure from the original design.

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