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New Tuning File Available: Opel Astra-J 1.4 Turbo ACDelco ECU Calibration File | Software 55581092 / ECU 55581098 | G10004 - Stage 1 & 2 calibrations for Opel Astra-J 1.4 Turbo — ECU 55581098, prod 55581159 — sharper throttle, earlier boost and selectable road/track modes.
Welcome to the official discussion thread for the Opel 1.4 Turbo tuning package. This calibration is specifically developed for the Undefined ECU and optimized to work seamlessly with the 6-speed manual.
Target Performance: 140 PS / 103 kW.
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: Opel 1.4 Turbo
Welcome to the official discussion thread for the Opel 1.4 Turbo tuning package. This calibration is specifically developed for the Undefined ECU and optimized to work seamlessly with the 6-speed manual.
Target Performance: 140 PS / 103 kW.
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 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
- EGR system fully disabled; related DTCs suppressed
- Boost, load & torque limiters lifted; ignition maps optimised for 98 RON
- Selectable Stage 1 / Stage 2 power via OPC (Sport) button
- Pop-and-bang over-run enabled only in Sport mode to keep normal cruising quiet
- Throttle-pedal maps sharpened for quicker tip-in without surge
- Vmax limiter removed for unrestricted top-speed capability
- CVN раtсh applied; flashable via OBD or bench with any ME7.6-capable tool
- Cold-start fueling and idle control refined for smoother warm-ups
➜ Download Tuning File / View Full Specs
