Chevrolet Silverado 2014 -> 6.6 V8 397hp
Real standard and upgraded performance figures for the 6.6 V8 397hp engine in the Chevrolet Silverado 2014 ->.
This page covers the 6.6 V8 397hp as fitted to the Chevrolet Silverado 2014 -> — the figures below reflect that specific engine, not the model as a whole.
| Horsepower (HP) | Torque (Nm) | |
|---|---|---|
| Standard | 397 | 1037 |
| Stage 1 | 440 | 1100 |
| Stage 2 | 461 | 1131 |
- Make
- Chevrolet
- Model
- Silverado
- Generation
- 2014 ->
- Engine
- 6.6 V8 397hp
- Fuel type
- Petrol
Frequently asked questions
Is Stage 1 tuning safe for the Chevrolet Silverado 2014 -> 6.6 V8 397hp?
Yes — Stage 1 for this engine is a software-only remap calibrated to stay within its stock mechanical limits (turbo, clutch, fueling), so no hardware changes are required.
How much more power does the 6.6 V8 397hp make after tuning?
Standard output is 397 HP / 1037 Nm; Stage 1 on this engine typically reaches 440 HP / 1100 Nm. Exact results can vary slightly with fuel quality and vehicle condition.
How long does a Chevrolet Silverado 2014 -> 6.6 V8 397hp remap take?
Once your original file is uploaded through the member panel, most requests for this engine are completed within a few hours.
Can the 6.6 V8 397hp be reverted to its original file?
Yes — we keep the original file on record for the request, so the ECU can be put back to stock at any time.