News about the new Corvette ZR1 has emerged and all I can say is a "wow". The hand build LS9 6.2L supercharged V8 engine managed to exceed expectations and instead of 620hp it actually outputs 638 hp (476 kW). The LS9 engine, is actually the most powerful General Motor's ever had.
"The combination of large displacement and the new, four-rotor design broadens the effective range of the supercharger, allowing the engine to make more power at lower rpm and sustain it throughout the power band. The low-end torque is tremendous and the high-rpm charge from the supercharger is simply amazing." said Sam Winegarden, GM Powertrain Chief Engineer.
via WCF
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