2007-2008 GMC Sierra 1500 4.8L, 5.3L 6.0L (Vortec MAX) Custom Tuning Tune Service:Traditional [$355] 2L engines will typically see

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

0L engines can see up to 30hp

This option requires sending in your ECM and TCM from the vehicle to be tuned

Black Bear Performance offers our AutoCal custom tuning service for your 2014-2018 GMC Sierra 4

https://www

2007-2008 GMC Sierra 1500 4.8L, 5.3L 6.0L (Vortec MAX) Custom Tuning Tune Service:Traditional [$355] 2L engines will typically seeBlack Bear Performance offers three different levels of custom tuning service for your 2007 2008 GMC Sierra 4. 8L, 5. 3L and 6. 0L (Vortec MAX). 15 20hp gains are common with 10 15ft lbs of torque on 89 octane on the 4. 8L and 5. 3L. The 6. 0L Vortec MAX (VMAX) trucks are able to see a whopping 40+ft lbs of torque and significantly improved overall driving characteristics.. Combine that with improved shift patterns, towing capabilities, throttle