2010-2020 Chevrolet Express 4.3L, 4.8, 5.3L, and 6.0L Custom Tuning Tune Service:AutoCal Tune & Hardware [$749] 0L (Vortec MAX)

0L (Vortec MAX)

Gains vary widely based on engine size but can vary from 15-20hp on a 5

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2010-2020 Chevrolet Express 4.3L, 4.8, 5.3L, and 6.0L Custom Tuning Tune Service:AutoCal Tune & Hardware [$749] 0L (Vortec MAX)Black Bear Performance offers our AutoCal custom tuning service for your 2010 2020 Chevrolet Express 4. 3L, 4. 8L, 5. 3L and 6. 0L. Gains vary widely by engine type and configuration. 4. 3L 5. 3L engines will typically see a 10 25hp 15 20ft lbs gain (octane dependent) 6. 0L engines will typically see a 20 25hp 25 30ft lbs on (octane dependent) Combine that with improved shift patterns, towing capabilities, throttle response and even fuel economy in