Your Vehicle
GMC Envoy 4.2i - 270hp
Technical Specifications
Power and torque increase
Stage 1: software remap only, no mechanical changes, fully reversible.
Power HP
Torque Nm
Book your Stage 1 remap
499 € VAT included · pay online, the work is done at the workshop you choose
Power Graph
GMC Envoy 4.2i - 270hp: da 270 a 290HP
Remapping GMC Envoy
MasterTuning is a leader in developing remapping for GMC. La GMC Envoy 4.2i - 270hp può passare da 270 HP a 290 HP con un incremento di 20 HP.
The development of each remap is customized by MasterTuning.
- 100% tested and customized files guarantee
- Tested and developed on a 4x4 dyno
- Best performance, within safety margins
- Reduced fuel consumption
ECU Remapping Details GMC Envoy 4.2i - 270hp
The GMC Envoy 4.2i - 270hp is equipped with a petrol engine that produces 270 HP and 373 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this GMC can achieve 290 HP (+7%) and 395 Nm (+6%).
Our Stage 1 tuning for the Envoy 2002 - 2010 delivers an impressive gain of +20 HP and +22 Nm, optimizing the petrol engine's performance while maintaining reliability and staying within safe parameters.
The engine code LL8 identifies this specific powerplant configuration.
With 270 HP from factory, this GMC Envoy 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 — GMC Envoy 4.2i - 270hp
Factory technical data for the GMC Envoy 4.2i - 270hp (2002 - 2010), used by MasterTuning engineers to develop a tailored, dyno-tested remap for this specific powerplant.
| Engine code | LL8 |
|---|---|
| Fuel | Petrol |
| Compression ratio | 10.0 |
| Bore × stroke | 93.0 X 102.0 mm |
| Stock power | 270 HP · 373 Nm |
| Remapped power (Stage 1) | 290 HP (+20) · 395 Nm (+22) |
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 GMC Envoy.
Frequently Asked Questions - GMC Envoy
How much power can I gain from remapping my GMC Envoy?
With MasterTuning Stage 1, your GMC Envoy 4.2i - 270hp can gain +20 HP (from 270 to 290 HP) and +22 Nm of torque. This represents a 7% increase in power.
Is ECU remapping safe for the GMC Envoy engine?
Yes, MasterTuning's remapping for the GMC Envoy 4.2i - 270hp is developed within safe parameters. All calibrations are tested on our 4x4 dyno and stay within the mechanical limits of the LL8 engine.
Is the GMC ECU remapping reversible?
Absolutely. The original factory calibration of your GMC Envoy is always backed up before remapping. The process is 100% reversible at any time.
Will remapping affect my GMC 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.
Other Remaps You Might Like
Other Engines GMC Envoy 2002 - 2010
Similar Power GMC
Book your remap or ask for a quote
Stage 1 can be bought online and is done at the workshop you choose; for Stage 2 we send you a quote.
Stage 2 is quoted on request: write to us and we will reply with price and timing.
Request Quote on WhatsAppYour data is safe. No spam, just your quote.