2007-2008 GMC Sierra 1500 4.8L, 5.3L 6.0L (Vortec MAX) Custom Tuning Tune Service:Traditional [$355] 0L engines can see up

0L engines can see up to 30hp

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We tend to see power gains in the 15-20hp range on a 5

Significant improvements in throttle response and shift patterns

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

2007-2008 GMC Sierra 1500 4.8L, 5.3L 6.0L (Vortec MAX) Custom Tuning Tune Service:Traditional [$355] 0L engines can see upBlack 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