2015-2020 Chevrolet Suburban 5.3L and 6.0L Custom Tuning Tune Service:AutoCal Tune & Hardware [$749] If there are any mechanical

If there are any mechanical problems

1L engines can see a monster 30-35hp+

Whether you are encountering an issue with the security system that is preventing your engine from starting or you are swapping a GM engine into an old hot rod

while 20-25hp and 25-30ft-lbs gains for the 6

2015-2020 Chevrolet Suburban 5.3L and 6.0L Custom Tuning Tune Service:AutoCal Tune & Hardware [$749] If there are any mechanicalBlack Bear Performance offers our AutoCal custom tuning service for your 2015 2020 Chevrolet Suburban 5. 3L and 6. 0L. 15 20hp gains are common out of the 5. 3L variation and 6. 0L engines can see a monster 40 50 ft lbs of torque. 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