Mazda MX-5 NB 1.8 Fully Forged – G25-660 Turbo Setup

This Mazda MX-5 NB 1.8 is fully built for serious boost. Featuring forged internals, a Garrett G25-660 turbo and large 1050cc injectors, this setup is engineered for high power levels while maintaining proper fuel and thermal control.

Engine Build Specifications

  • Engine: 1.8L BP Fully Forged
  • Turbocharger: Garrett G25-660
  • Injectors: 1050cc High Flow
  • ECU: MS3 Standalone (MSLabs)
  • Custom Fuel System Setup
  • Upgraded Cooling Configuration
  • Calibration by DMS Tuned

Why This Setup?

The G25-660 turbo is capable of supporting high horsepower targets while offering fast spool characteristics for its size. Combined with forged internals and proper fueling, the engine is prepared for elevated boost pressures and aggressive ignition strategies.

The MS3 standalone ECU allows full control over boost management, ignition timing, fuel delivery and advanced safety strategies, ensuring the build is tuned for both power and reliability.

Project Gallery

Mazda MX-5 NB 1.8 forged engine with G25-660 turbo MX5 NB 1.8 turbo setup 1050cc injectors MS3 ECU Garrett G25-660 installed on MX5 NB forged build MS3 standalone wiring Mazda MX5 NB turbo build Mazda MX5 NB forged turbo ready for dyno tuning

Next Step: Dyno Calibration

The vehicle is now prepared for full dyno tuning, where boost targets, AFR mapping and ignition timing will be optimized to safely extract maximum performance.

Related Services

Turbo Kit Installation & Tuning
Standalone ECU Installation
MX-5 Performance Calibration