Official: 2015 Corvette Z06 Makes 650HP and 650TQ

Posted by: Kenny Chan onJune 6th, 2014

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When GM first unveiled the 2015 Corvette Z06 in Detroit you may have noticed we said the car made 625+ horsepower and 635+ lb-ft of torque. They were holding back the official performance figures until closer to launch and today they have confirmed that the Z06’s LT4 supercharged 6.2L V8 engine makes 650 horsepower at 6,400 rpm and 650 lb-ft of torque at 3,600 rpm!

“The LT4 Small Block sets a new benchmark for power and torque at GM,” said Steve Kiefer, vice president, GM Powertrain Engineering. “The engine also puts the new Corvette Z06 on par with the most powerful supercars offered in America, while delivering performance with impeccable manners that make it suitable for daily driving.”

Not only is the amount of power staggering, but the torque curve makes many other super cars weep. Just barely above idle the engine is already producing nearly 460 lb-ft of torque. By 2800 rpm it has already skyrocketed to 625 lb-ft of torque. The whole curve is pretty flat, the LT4 maintains 90 percent of its peak torque, or 592 lb-ft, from 2,500 to 5,400 rpm. This is the definition of “passing power” and will certainly bring a smile to many new owners when it goes on sale later this year.



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