1962 Shelby Cobra 260 and 289 VS 1987 Buick Grand National and GNX

1962 Shelby Cobra 260 and 289

The AC Ace was a boring English sports car with a half-hearted Bristol engine. Carroll Shelby put the small-block Ford V8 in it and created a legend.

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1987 Buick Grand National and GNX

With their 3.8-liter turbo V6s, the all-black Buicks ruled the street in the 1980s. They were also the first and only American muscle cars powered by...

With their 3.8-liter turbo V6s, the all-black Buicks ruled the street in the 1980s. They were also the first and only American muscle cars powered by something other than a big V8.

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