2015 Chevy Silverado 1500 6.2L Ike Gauntlet: Are Eight speeds better than Six?

( www.TFLtruck.com ) The 2015 Chevy Silverado with the 6.2L V8 is one the most powerful half tons in America. But how does it tow when equipped with the maximum towing package? In this TFLTruck Ike Gauntlet video we decided to find out.
The Ike Gauntlet is a timed run up one of America's steepest highways from 9,000 feet above sea level to the top of the mountain at entrance to the Eisenhower Tunnel in Colorado.
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