1996-1997 Chevrolet Suburban 5.7L and 7.4L Custom Tuning Tune Installation Option (Scan cable and Traditional tune ONLY):Unblemished PCM (<5% paint missing) [+$125] Black Bear Performance offers three

Black Bear Performance offers three different levels of custom tuning service for your 2008-2009 Chevrolet Express 4

0L (Vortec MAX)

Would you like to be able to return the vehicle to stock before taking it to the dealer for service

15-20hp gains are common with 10-15ft-lbs of torque on 89 octane

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

1996-1997 Chevrolet Suburban 5.7L and 7.4L Custom Tuning Tune Installation Option (Scan cable and Traditional tune ONLY):Unblemished PCM (<5% paint missing) [+$125] Black Bear Performance offers threeBlack Bear Performance offers our traditional custom tuning service for your 1996 1997 Chevrolet Suburban 5. 7L and 7. 4L. Gains vary widely based on engine size but can vary from 15 20hp on a 5. 7L up to 30 35hp on a 7. 4L. From bone stock to heavily modified, we can help your engine perform as optimally as possible. Other improvements range from improved idle smoothness to better shift performance, improved towing, improved throttle response and