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New Tuning File Available: Nissan GTR 3.8 V6 ECU File – Hitachi MEC125n/axxx, Software 17SMF9TD3/1F00M4 1F00M4 - Stage 1 upgrade for Nissan GTR 3.8 V6 – enhanced throttle and boost logic via Hitachi MEC125n/axxx
Welcome to the official discussion thread for the Nissan 3.8 V6 tuning package. This calibration is specifically developed for the MEC125n/axxx ECU and optimized to work seamlessly with the Automatic Transmission.
Target Performance: 555.0PS / 408.2kW.
Share your experience!
Have you flashed this file? Drop your dyno graphs, 0-100 times, reviews, or ask any technical questions below!
➜ Download Tuning File / View Full Specs
Discussion & Reviews: Nissan 3.8 V6
Welcome to the official discussion thread for the Nissan 3.8 V6 tuning package. This calibration is specifically developed for the MEC125n/axxx ECU and optimized to work seamlessly with the Automatic Transmission.
Target Performance: 555.0PS / 408.2kW.
Share your experience!Have you flashed this file? Drop your dyno graphs, 0-100 times, reviews, or ask any technical questions below!
All tuning files were acquired through official EVC.de resellers and verified on a professional dynamometer.
Each calibration corresponds to the developer listed in the “Modified By” section — performance graphs may be available on their official website.
Please note: these files are intended for motorsport or off-road use only. Ensure proper installation and do not operate the vehicle aggressively without verifying mechanical condition.
The seller takes no responsibility for misuse or non-compliant road use.
Each calibration corresponds to the developer listed in the “Modified By” section — performance graphs may be available on their official website.
Please note: these files are intended for motorsport or off-road use only. Ensure proper installation and do not operate the vehicle aggressively without verifying mechanical condition.
The seller takes no responsibility for misuse or non-compliant road use.
Extended Product Information
- Stage 1 file for Nissan GTR 3.8L twin-turbo V6 using Hitachi MEC125n/axxx ECU
- Refined boost control and ignition advance for improved throttle response
- Torque delivery calibrated for smoother mid-range and reduced turbo lag
- Maintains gearbox safety thresholds and emissions compatibility (no DTCs)
- Cold-start behavior and idle characteristics preserved
- No speed limiter (VMAX) changes included — ideal for conservative upgrades
- Compatible with major flashing tools supporting Hitachi ECUs
- Original file included for recovery or cross-comparison
➜ Download Tuning File / View Full Specs
