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A new product by Bin is available: Opel Astra-J OPC 2.0 Turbo ACDelco ECU Calibration File | Software 12656377 / SW G12083 | 12656378 - Stage 2 & Stage 2 Sport-button calibrations for Opel Astra-J OPC — ECU 12656378, prod 12650666 — faster boost onset and dual road/track personalities.
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 website. These files are intended for motorsport or off-road use only. Ensure proper installation and do not operate the vehicle aggressively without first confirming mechanical condition. The seller accepts no responsibility for misuse or non-compliant road use.
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Opel Astra-J OPC 2.0 Turbo ACDelco ECU Calibration File | Software 12656377 / SW G12083 | 12656378
Description
| Parameter | Value |
|---|---|
| Producer: | Opel |
| Series: | Astra-J OPC |
| Model: | 2.0 Turbo |
| Model Year: | 2012 |
| Type (Engine): | Turbo-Petrol |
| Displacement: | 2.0 L |
| Output: | 280 PS / 206 kW |
| Gear: | 6-speed manual |
| Producer (ECU): | ACDelco |
| Build (ECU): | Undefined |
| ECU-Nr. Prod: | 12650666 |
| ECU-Nr. ECU: | 12656378 |
| Software: | 12656377 |
| SW-Version: | G12083 |
| Checksum: | All CS ok Opel 2010 Delco5 |
| CPU: | Freescale PowerPC |
| Eprom 8-Bit sum: | C5AB |
| Nested Versions: | 2 modified versions included (Stage 2, Stage 2 Sport-button) + Original for reference |
| Project Type: | Complete binary file |
| Details: | st2 + st2 SB |
| Project Size: | 2 097 152 bytes |
| Read Hardware: | CMD Flash |
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 website. These files are intended for motorsport or off-road use only. Ensure proper installation and do not operate the vehicle aggressively without first confirming mechanical condition. The seller accepts no responsibility for misuse or non-compliant road use.
Extended Product Information
- Vmax limiter removed for unrestricted top-speed runs
- Boost, load & torque limiters lifted; ignition advanced for 98 RON
- Selectable Stage 2 “SB” map via OPC/Sport button for on-demand extra response
- Over-run crackle active only in Sport mode to keep normal cruising quiet
- Throttle-pedal curve sharpened; clutch torque monitoring adapted
- EGR diagnostics suppressed (system already blanked on this engine)
- CVN patch applied; flashable via OBD or bench with any Delco5-capable tool
- Cold-start and idle fueling smoothed for refined daily operation
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