1999-2007 Classic GMC Sierra 2500/3500 6.0L and 8.1L Custom Tuning Active Fuel Management Disable

1999-2007 Classic GMC Sierra 2500/3500 6.0L and 8.1L Custom Tuning Active Fuel Management DisableBlack Bear Performance offers three different levels of custom tuning service for your 1999 2007 GMC Sierra 6. 0L and 8. 1L. Gains vary by engine type, configuration and vehicle condition prior to the tune. 6. 0L engines will typically see a 20 35hp gain and 25 30ft lbs. 8. 1L engines will commonly see a 30 35hp gain and as much as 50 55ft lbs of torque! Power gains, combined with improved shift patterns, towing capabilities, throttle response and

Due to frequent issues with sensors on 6

7L and up to 35hp on a 7

15-20hp gains are common with 20-25ft-lbs of torque on 91+ octane

Gains vary depending on year

Other improvements range from improved idle smoothness to better automatic AND manual shift performance

Black Bear Performance offers three different levels of custom tuning service for your 2001-2006 Chevrolet Suburban 5

This option requires sending in your ECM and TCM from the vehicle to be tuned

0L (Including Sierra Denali

All 2007+ 5

(Windows Laptop Required)

The Details:

We just require the stock tune file(s) and a data log from the vehicle which we will use to build a custom tune for you