model of the 1965 Convertible with the Factory Tonneau Cover and
wire wheels, this configuration was known as a Sports Roadster in the 1961-63
model series, but was downgraded
to a factory option without any special badges.
Although the addition of Front disk brakes helped the
stopping power, the aging 390ci 300hp block was woefully short on
power in comparison to the Buick "T-Bird killer"
Riviera GS with it's 425ci 360hp
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