Mazda MX-5 NC 2.5L Turbo — 341HP / 488Nm @ 1 Bar (Stock ECU)

Mazda MX-5 NC upgraded to 2.5L and equipped with a GT2860RS turbo system, calibrated on the factory ECU by DMS Tuned.

At 1.0 bar of boost, the setup delivered 341 horsepower and 488Nm of torque while maintaining OEM-level drivability characteristics.

Vehicle Configuration

• 2.5L L5 Duratec engine swap
• GT2860RS turbocharger
• 1.0 bar boost pressure
• Factory Mazda ECU retained
• Custom dyno calibration by DMS Tuned

Calibration Strategy

The focus of this build was torque-rich midrange delivery with stable boost control and safe ignition strategy using the stock ECU platform.

• Boost control refinement at 1.0 bar
• Lambda stability under sustained load
• Ignition timing optimization
• Knock threshold management
• Progressive torque curve shaping

All development and validation were completed on our in-house dyno facility in Athens.

2.5 Turbo Support & Components

This configuration can be supported through in-house dyno calibration or structured remote ECU tuning workflows.

• 2.5L Engine Swap Performance Package
• DMS Top Mount Turbo Kit
• Custom Stage 3 Turbo Calibration