Chevrolet Silverado 6.6 V8 397hp Remap
Expected gains of +43 BHP and +63 Nm torque
Get Your Free Quote ↓BHP+43 hp (11%)
Standard
397 hp
Tuned
440 hp
Torque+63 Nm (6%)
Standard
1037 Nm
Tuned
1100 Nm
Suitability
Moderate (5.5/10)Gains Profile
Power-focusedHeadroom
LowChevrolet Silverado 6.6 V8 397hp ECU Remapping
Considering an ECU remap for your Chevrolet Silverado 6.6 V8 397hp? A Stage 1 remap can take this 2014 -> diesel engine from 397 BHP to 440 BHP and from 1037 Nm to 1100 Nm of torque (turbocharged). This engine scores 5.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Chevrolet Silverado can achieve.
How this engine compares
- 1stof 16 Chevrolet Silverado engines by power gain
- 70%of the 9,842 engines we hold gain data for see a smaller power increase
- 52%of engines with torque data see a smaller torque increase
Comparisons are calculated from our own recorded Stage 1 figures.
Assessment
The Chevrolet Silverado 6.6 V8 397hp is a 6.6L turbocharged diesel engine producing 397 BHP and 1037 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 440 BHP and 1100 Nm — a gain of around 43 BHP (11%) and 63 Nm (6%).
This engine has moderate remap suitability, with gains weighted towards peak power — the improvement is most noticeable at higher RPM. The tuning headroom is classified as limited, based on the percentage gain available from the factory output.
Considerations: High tuned torque: check transmission torque capacity and service history.
All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method. We recommend discussing your specific vehicle with a qualified remap professional.
Considerations
!High tuned torque: check transmission torque capacity and service history.
Other Silverado 2014 -> Engines
| Engine | BHP | Gain | Torque | Gain |
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