Renowned performance tuning company, Callaway, must have a lot of cargo to haul around these days. First, it teased us with the Corvette Stingray Shooting Brake back in March, and now it is getting to work on the all-new 2014 Chevrolet Silverado and GMC Sierra trucks. With all-new EcoTec3 V8 engines featuring direct injection and variable valve timing, Callaway is looking to use supercharging to bump the 5.3-liter V8 up to 450 horsepower and the 6.2-liter V8 up to 540 hp – increases of 95 hp and 120 hp, respectively.
Autoblog , Callaway tuning up 2014 Chevy Silverado, gunning for 540 horsepower, Callaway tuning up 2014 Chevy Silverado, gunning for 540 horsepower
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