Chevrolet Corvette ZR1

The ZR1 returns for 2010 with new Performance Traction Management (PTM) technology. It is an advanced system that is part of a new Launch Control feature that optimizes traction for greater and more consistent on-track performance. The Corvette ZR1 is powered by supercharged and intercooled 6.2L engine that is hand-assembled at GM’s Performance Build Center. It is rated at 638 horsepower (476 kW), making it the most powerful production car ever offered by Chevrolet and GM.

The LS9 engine is backed by an upgraded, stronger six-speed manual transmission and a twin-disc clutch that provide exceptional clamping power, while maintaining an easy clutch pedal effort. ZR1-specific gearing in the transmission provides a steep first-gear ratio that helps launch the car, and top speed is achieved in sixth gear – a change from the fifth-gear top-speed run-outs in the manual-transmission Corvette and Corvette Z06.

Commensurate with the ZR1’s engine output is the braking system, which is headlined by Brembo carbon-ceramic brake rotors. Found on only a few exotics and more expensive supercars, carbon-ceramic brake rotors are made of a carbon-fiber-reinforced ceramic silicon carbide material . Their advantage comes in low mass and resistance to wear and heat. In fact, the rotors should never show any corrosion or require replacement for the life of the vehicle, when used in normal driving.

Source: Chevrolet press

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