Your Vehicle
Pontiac GTO 5.7 V8 350hp
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
Pontiac GTO 5.7 V8 350hp: da 350 a 370HP
Remapping Pontiac GTO
MasterTuning develops remapping for Pontiac. La Pontiac GTO 5.7 V8 350hp può passare da 350 HP a 370 HP con un incremento di 20 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 Pontiac GTO 5.7 V8 350hp
The Pontiac GTO 5.7 V8 350hp is equipped with a petrol engine that produces 350 HP and 495 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this Pontiac can achieve 370 HP (+6%) and 525 Nm (+6%).
Our Stage 1 tuning for the GTO 2004 - 2006 delivers an impressive gain of +20 HP and +30 Nm, optimizing the petrol engine's performance while maintaining reliability and staying within safe parameters.
The engine code LS1 identifies this specific powerplant configuration.
With 350 HP from factory, this Pontiac GTO 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 — Pontiac GTO 5.7 V8 350hp
Factory technical data for the Pontiac GTO 5.7 V8 350hp (2004 - 2006), 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 | LS1 |
|---|---|
| Fuel | Petrol |
| Compression ratio | 10.1 |
| Bore × stroke | 99.0 X 92.0 mm |
| Stock power | 350 HP · 495 Nm |
| Remapped power (Stage 1) | 370 HP (+20) · 525 Nm (+30) |
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 Pontiac GTO.
Frequently Asked Questions - Pontiac GTO
How much power can I gain from remapping my Pontiac GTO?
With MasterTuning Stage 1, your Pontiac GTO 5.7 V8 350hp can gain +20 HP (from 350 to 370 HP) and +30 Nm of torque. This represents a 6% increase in power.
What is the engine code of the Pontiac GTO 5.7 V8 350hp?
The engine code of the Pontiac GTO 5.7 V8 350hp is LS1. You can find it in the vehicle documents or on the engine plate.
Is ECU remapping safe for the Pontiac GTO engine?
Yes, MasterTuning's remapping for the Pontiac GTO 5.7 V8 350hp is developed within safe parameters. Each file is developed on your vehicle, checked in the workshop and stays within the mechanical limits of the LS1 engine.
Is the Pontiac ECU remapping reversible?
Absolutely. The original factory calibration of your Pontiac GTO is always backed up before remapping. The process is 100% reversible at any time.
Will remapping affect my Pontiac 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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