2009-2013 Chevrolet Silverado 1500 4.3L, 4.8L, 5.3L, 6.0L and 6.2L Custom Tuning

Black Bear Performance offers our AutoCal custom tuning service for your 2009-2013 Chevrolet Silverado 4.8L, 5.3L, 6.0L and 6.2L. Gains vary widely by engine type and configuration. 4.8L and 5.3L engines will typically see a 15-30hp/15-20ft-lbs gain. 6.0L engines will typically see a 25-30hp/40-50ft-lbs gain. 6.2L engines will typically see a 15-20hp/20-25ft-lbs on 91+ octane. Combine that with improved shift patterns, towing capabilities, throttle response and even fuel economy in many cases and you'll have what feels like a whole new vehicle! Additional service offerings include: VATS Delete AFM Delete Torque Management Modification/Removal Considerable Shift and Torque Converter Improvements Tire/Gear Change Calibration Speed and Rev Limiter Increase Accommodation of Most Modifications (Internal engine modifications, superchargers, turbochargers*, upgraded transmissions, etc). All 2007+ 5.3Ls owners are strongly encouraged to use a minimum of 89 octane at all times due to compre