If you under promise and over deliver, you can never disappoint people, and apparently the tuning mavens at Callaway know that lesson well. When the company announced its latest tuned Corvette a few months ago, it said that it would have roughly 620 horsepower and at least 600 pound-feet of torque. That would have been impressive gains over the stock 'Vette by itself, but the new supercharged sports car has actually been rated at 627 hp and 610 lb-ft as its final specs. Job well done.
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