ENGINE · 2007-present
VR38DETT tuning
VR38DETT — Nissan GT-R 3.8 V6 twin-turbo. V6 twin-turbo, 3.8 L, 485-600 HP (Nismo 600) stock. Cars: Nissan GT-R R35.
Engine specs
| Engine code | VR38DETT |
|---|---|
| Configuration | V6 twin-turbo |
| Displacement | 3.8 L |
| Production years | 2007-present |
| Stock power | 485-600 HP (Nismo 600) |
| ECU family | Hitachi / Bosch custom GTR ECU → |
Tuning stages on VR38DETT
| Stage 1 | +50-70 HP (FBO) |
|---|---|
| Stage 2 | +100-130 HP |
| Stage 3 | +200-600+ HP (turbo upgrades, E85, head studs) |
Conservative real-world estimates. Actual results depend on hardware health, fuel quality, ambient temperature, and the specific calibration written.
Services available on VR38DETT
Common DTC codes on VR38DETT
Brands running VR38DETT
Workshop workflow
- Read the VR38DETT ECU via OBD or bench using your existing flasher (KESS3, AutoTuner, MPPS, Trasdata, FRF).
- Open Softechpro V5 and drag the .bin / .ori / .hex / .s19 / .frf onto the workspace. The Hitachi variant is auto-detected.
- Pick the service tab and apply Stage 1 / 2 / 3 / DPF OFF / EGR OFF / AdBlue OFF as required.
- Save patched .bin — the TPROT + multi-block CRC32 is recomputed automatically.
- Flash via your existing flasher. Adaptation reset via OEM scan tool if required.