1999-2000 Chevrolet Express 4.3L and 5.7L Custom Tuning Tune Installation Option (Scan cable and Traditional tune ONLY):Unblemished PCM (<5% paint missing) [+$125] With the V3 Scan and

With the V3 Scan and Tune

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

superchargers

Any equipment that is held beyond a reasonable period of time will result in the partial or full forfeiture of your security deposit

Open the EFILive Scan and Tune application

1999-2000 Chevrolet Express 4.3L and 5.7L Custom Tuning Tune Installation Option (Scan cable and Traditional tune ONLY):Unblemished PCM (<5% paint missing) [+$125] With the V3 Scan andBlack Bear Performance offers three different levels of custom tuning for your 1999 2000 Chevrolet Express 4. 3L and 5. 7L. From bone stock to heavily modified, we can help your engine perform as optimally as possible. We tend to see power gains in the 10 15hp range on a 4. 3L and 15 20hp on a 5. 7L along with a 1 2mpg improvement depending on vehicle condition and configuration. Other improvements range from improved idle smoothness to better shift