Chevy Silverado speedometer calibration for gears and tires with a Superchips programmer

After installing 33" tires and 4.56 gears on my 2004 Chevy Silverado, my speedometer was way off. I originally used a programmer from Hypertech to re-calibrate the computer in the truck and get my speedometer reading properly but ended up switching to this Superchips unit to resolve a problem with my dash lights for the brake system. Subscribe and follow me on social media! YouTube:    / @mgstoybox   Instagram:   / mgstoybox   Twitter:   / mgstoybox