Your Vehicle
Infiniti QX80 5.6 V8 405hp
Technical Specifications
Power and torque increase
Stage 1: software remap only, no mechanical changes, fully reversible.
Stage 1: file 100 € online, installation quoted by the workshop Ask for a quote
Power HP
Torque Nm
Stage 1 for this engine: quote first, then the file online
The file costs 100 € online; the installation depends on how your ECU is worked on and the workshop confirms it. Ask for a quote: you receive the price and the link to buy the file. · terms
Power Graph
Infiniti QX80 5.6 V8 405hp: da 405 a 450HP
Remapping Infiniti QX80
MasterTuning develops remapping for Infiniti. La Infiniti QX80 5.6 V8 405hp può passare da 405 HP a 450 HP con un incremento di 45 HP.
The development of each remap is customized by MasterTuning.
- 100% customised files with lifetime warranty
- Reference values for Stage 1: the file is developed on your vehicle and checked in the workshop
- Best performance, within safety margins
- Reduced fuel consumption
ECU Remapping Details Infiniti QX80 5.6 V8 405hp
The Infiniti QX80 5.6 V8 405hp is equipped with a petrol engine that produces 405 HP and 560 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this Infiniti can achieve 450 HP (+11%) and 591 Nm (+6%).
Our Stage 1 tuning for the QX80 All delivers an impressive gain of +45 HP and +31 Nm, optimizing the petrol engine's performance while maintaining reliability and staying within safe parameters.
The engine code VK56VD identifies this specific powerplant configuration. The Hitachi SH705822N ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.
With 405 HP from factory, this Infiniti QX80 is already a performance vehicle. Our remapping extracts even more potential, delivering exhilarating acceleration and enhanced driving dynamics for enthusiasts who demand the best.
Technical Specifications — Infiniti QX80 5.6 V8 405hp
Factory technical data for the Infiniti QX80 5.6 V8 405hp (All), used by MasterTuning engineers to develop a remap tailored to this specific powerplant. Figures shown are reference values for Stage 1; the file is developed on your vehicle and checked in the workshop.
| Engine code | VK56VD |
|---|---|
| ECU / Control unit | Hitachi SH705822N |
| Fuel | Petrol |
| Compression ratio | 9.8 |
| Bore × stroke | 98.0 X 92.0 mm |
| Stock power | 405 HP · 560 Nm |
| Remapped power (Stage 1) | 450 HP (+45) · 591 Nm (+31) |
Don't want to touch the ECU?
Rapid Dimsport add-on modules connect to the engine sensors with original connectors: they fit in a few hours and come off without a trace, leaving the factory software untouched. Useful on a leased car, one still under warranty or one you plan to sell soon. Check which ones fit your Infiniti QX80.
Frequently Asked Questions - Infiniti QX80
How much power can I gain from remapping my Infiniti QX80?
With MasterTuning Stage 1, your Infiniti QX80 5.6 V8 405hp can gain +45 HP (from 405 to 450 HP) and +31 Nm of torque. This represents a 11% increase in power.
Which ECU does the Infiniti QX80 5.6 V8 405hp use?
The Infiniti QX80 5.6 V8 405hp uses the Hitachi SH705822N engine control unit. MasterTuning recalibrates this ECU for Stage 1 and Stage 2.
What is the engine code of the Infiniti QX80 5.6 V8 405hp?
The engine code of the Infiniti QX80 5.6 V8 405hp is VK56VD. You can find it in the vehicle documents or on the engine plate.
Is ECU remapping safe for the Infiniti QX80 engine?
Yes, MasterTuning's remapping for the Infiniti QX80 5.6 V8 405hp is developed within safe parameters. Each file is developed on your vehicle, checked in the workshop and stays within the mechanical limits of the VK56VD engine.
Is the Infiniti ECU remapping reversible?
Absolutely. The original factory calibration of your Infiniti QX80 is always backed up before remapping. The process is 100% reversible at any time.
Will remapping affect my Infiniti warranty?
ECU remapping may affect your manufacturer warranty. We recommend checking your specific warranty terms. Many of our customers choose to remap after the warranty period or accept this trade-off for the significant performance gains.
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