If the $100,000 ZR1 Corvette is out of reach, Callaway has a cheaper alternative to the factory's supercharged brute. The Connecticut-based Corvette tuner has introduced a new supercharger package for ...
It was almost three years ago when GM introduced the 7-liter LS7 engine as the most potent mill ever churned out by the General. At 505 horsepower and 470 lb-ft of torque it surpassed everything else ...