1996-1997 GMC Sierra 4.3L, 5.0L, 5.7L and 7.4L Custom Tuning Tune Installation Option (Scan cable and Traditional tune ONLY):No Deposit - I will mail my PCM in to be tuned

1996-1997 GMC Sierra 4.3L, 5.0L, 5.7L and 7.4L Custom Tuning Tune Installation Option (Scan cable and Traditional tune ONLY):No Deposit - I will mail my PCM in to be tunedBlack 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

We will analyze and provide corrective action or an order form to complete the tune purchase

7L and up to 35hp on a 7

Black Bear Performance offers our AutoCal custom tuning service for your 2015-2020 GMC Yukon 5

52mm (2-1/16”) gauge housing

4L along with a 1-2mpg improvement depending on vehicle condition and configuration

they must be evaluated by our tuner prior to committing to any services

3L engines will typically see a 15-25hp/15-20ft-lbs gain (octane dependent)

depending on fuel quality

Link to instructions for 1999-2007 Classic Gen-III

Exceptions can be made for extenuating circumstances

we will provide updates on an as-needed basis at no additional cost for one year

towing capabilities