1996-1997 GMC Sierra 4.3L, 5.0L, 5.7L and 7.4L Custom Tuning Tune Installation Option (Scan cable and Traditional tune ONLY):Unblemished PCM (<5% paint missing) [+$125] improved throttle response and shifting

improved throttle response and shifting

Black Bear Performance offers three different levels of custom tuning service for your 2001-2007 Chevrolet Express 4

data-driven calibrations designed for real-world performance and drivability

It requires the TCM to be mailed to us to be unlocked for an additional $175

you'll be able to link the new computer(s) to the vehicle and perform a follow-up log file for review

1996-1997 GMC Sierra 4.3L, 5.0L, 5.7L and 7.4L Custom Tuning Tune Installation Option (Scan cable and Traditional tune ONLY):Unblemished PCM (<5% paint missing) [+$125] improved throttle response and shiftingBlack Bear Performance offers our traditional custom tuning service for your 1996 1997 GMC Sierra. Gains vary widely based on engine size but can vary from 10 15hp on a 4. 3L 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 automatic AND manual shift performance, improved throttle response and improved mileage in