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GM has announced today the official specs for 2009 Chevrolet Corvette ZR1 powerplant. ZR1 will be powered by GM's latest and most powerful engine ever, the hand-built 6.2 liter LS9 supercharged V8. It will produce 638-hp of horsepower and 604 lb-ft of torque. Now that means the LS9 puts out nearly 103 horses per liter. Amazing stuff. Corvette ZR1 is expected to have a top-speed of more than 200mph (322 km/h) and will wear Michelin Pilot Sport 285/30ZR19s at front and 335/25ZR20s at the rear axle.
Quick Facts & Expectations from new 09 Chevrolet Corvette ZR1 LS9 V8 is the most powerful automotive production engine ever manufactured by General Motors.
It is hand-built and tested GM's Performance Build Center in Wixom, Mich.[...]
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