Chevrolet Optra Tuning
1 supported Chevrolet Optra application, 2005+.
Chevrolet
1 supported Optra tunes
Chevrolet Optra
1.8i 16V
122 HP stock / 122 lb-ft
2005+
- Controller
- Engine (ECU): Siemens SIMTEC76
- Flash method
- OBD port
AutoTunerBook a tune
All Supported Chevrolet Optra Tunes
| Engine | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| 1.8i 16V | 2005+ | 122 hp | ECU Siemens SIMTEC76 | AutoTuner |
Other Chevrolet Models
About Chevrolet Optra tuning
Rapid Racing supports 1 Chevrolet Optra application from 2005+ through AutoTuner, with stock outputs up to 122 hp. Every calibration is built for your exact engine, fuel, and modifications, then verified on our Dynojet 424xLC2 in Jenison, MI, serving Grand Rapids and West Michigan.
Supported engines: 1.8i 16V.
Supported controllers: Siemens SIMTEC76.
Don't See Your Vehicle?
These lists cover off-the-shelf tuning platforms. We also do standalone ECU installs and custom calibrations, so reach out and we'll tell you what's possible for your build. Compatibility data last updated 2026-09-24.