LS9 horsepower

var digg_url = 'http://digg.com/autos/Corvette_ZR1_most_fuel_efficient_600_hp_car_in_the_world'; When Chevrolet officially announced the new Corvette ZR1 just before the Detroit Auto Show this year, it hadn't yet finished the certification of its new power-plant, the supercharged LS9. At that ...