Chevrolet Silverado 2007 - 2014 6.2 V8 403hp
Real standard and upgraded performance figures for the 6.2 V8 403hp engine in the Chevrolet Silverado 2007 - 2014.
The Chevrolet Silverado 2007 - 2014 6.2 V8 403hp is one of the engines we work on regularly — here's what a stage remap typically changes for it.
| Horsepower (HP) | Torque (Nm) | |
|---|---|---|
| Standard | 403 | 565 |
| Stage 1 | 425 | 585 |
| Stage 2 | 436 | 595 |
- Make
- Chevrolet
- Model
- Silverado
- Generation
- 2007 - 2014
- Engine
- 6.2 V8 403hp
- Fuel type
- Petrol
Frequently asked questions
Is Stage 1 tuning safe for the Chevrolet Silverado 2007 - 2014 6.2 V8 403hp?
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 6.2 V8 403hp make after tuning?
Standard output is 403 HP / 565 Nm; Stage 1 on this engine typically reaches 425 HP / 585 Nm. Exact results can vary slightly with fuel quality and vehicle condition.
How long does a Chevrolet Silverado 2007 - 2014 6.2 V8 403hp 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 6.2 V8 403hp 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.