Holden Monaro 2001 - 2005 5.7 V8 408hp
Real standard and upgraded performance figures for the 5.7 V8 408hp engine in the Holden Monaro 2001 - 2005.
Standard vs. upgraded performance for the Holden Monaro 2001 - 2005 5.7 V8 408hp, based on real files we've processed for this exact engine.
| Horsepower (HP) | Torque (Nm) | |
|---|---|---|
| Standard | 408 | 460 |
| Stage 1 | 430 | 480 |
| Stage 2 | 441 | 490 |
- Make
- Holden
- Model
- Monaro
- Generation
- 2001 - 2005
- Engine
- 5.7 V8 408hp
- Fuel type
- petrol
Frequently asked questions
Is Stage 1 tuning safe for the Holden Monaro 2001 - 2005 5.7 V8 408hp?
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 5.7 V8 408hp make after tuning?
Standard output is 408 HP / 460 Nm; Stage 1 on this engine typically reaches 430 HP / 480 Nm. Exact results can vary slightly with fuel quality and vehicle condition.
How long does a Holden Monaro 2001 - 2005 5.7 V8 408hp 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 5.7 V8 408hp 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.