2009-2013 GMC Sierra 1500 4.8L, 5.3L, 6.0L and 6.2L Custom Tuning Tune Service:AutoCal Tune & Hardware [$749] Multiple vehicle licensing available on

Multiple vehicle licensing available on a single device

we are able to determine what type of adjustments are needed to ensure that the vehicle is operating at or very near peak efficiency

2L engines will typically see a 15-20hp/20-25ft-lbs on 91+ octane

Gains vary by engine type

2009-2013 GMC Sierra 1500 4.8L, 5.3L, 6.0L and 6.2L Custom Tuning Tune Service:AutoCal Tune & Hardware [$749] Multiple vehicle licensing available onBlack Bear Performance offers our AutoCal custom tuning service for your 2009 2013 GMC Sierra 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