1999–2007 Classic Chevrolet Silverado 1500 Calibration: 4.3L, 4.8L, 5.3L & 6.0L

Description

Black Bear Performance offers three different levels of custom tuning service for your 1999-2007 Chevrolet Silverado 4.3L, 4.8L, 5.3L and 6.0L (Including Silverado SS!).

Gains vary widely by engine type and configuration.

• 4.3L engines will typically see a 10-15hp/15-20ft-lbs gain
• 4.8L and 5.3L engines will typically see a 15-30hp/15-20ft-lbs gain.
• 6.0L will see a 25-30hp/20-25ft-lbs gain on 91+ octane!

Power gains, combined with improved shift patterns, towing capabilities, throttle response and even fuel economy in many cases and you’ll have what feels like a whole new vehicle!

Additional service offerings include:

• Speed and Rev Limiter Increase
• Efan enable
• Torque Management Modification/Removal
• Tire/Gear Change Calibration
• Accommodation of Most Modifications (Internal engine modifications, superchargers, turbochargers*, upgraded transmissions, etc).

*Due to variability in turbocharger systems, they must be evaluated by our tuner prior to committing to any services.  Additional tuning service/hardware may be required.

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