1998-2000 Chevrolet Silverado 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 we our AutoCal or Scan

we our AutoCal or Scan cable service with those vehicles

7L up to 30-35hp on a 7

then our AutoCal is just what you have been looking for

Horsepower and torque gains along with improvements ranging from improved idle smoothness to better shift performance

Black Bear Performance offers three different levels of custom tuning for your 1999-2000 Chevrolet Tahoe 5

1998-2000 Chevrolet Silverado 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 we our AutoCal or ScanBlack Bear Performance offers three different levels of custom tuning service for your 1998 2000 Classic Chevrolet Silverado. 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