Chevrolet 1.8i 16V Tuning
Supported in 3 Chevrolet models, 2003+.

Chevrolet
3 supported 1.8i 16V applications
Models With the Chevrolet 1.8i 16V
All Supported Chevrolet 1.8i 16V Tunes
| Model | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| Lacetti | 2005+ | 122 hp | ECU Siemens SIMTEC76 | AutoTuner | |
| Nubira | 2003+ | 122 hp | ECU Siemens SIMTEC76 | AutoTuner | |
| Optra | 2005+ | 122 hp | ECU Siemens SIMTEC76 | AutoTuner |
About Chevrolet 1.8i 16V tuning
We tune the Chevrolet 1.8i 16V in 3 applications across the Lacetti, Nubira, Optra, from 2003+, in gasoline form, with stock outputs of 122 hp. Calibrations are written on AutoTuner for your exact hardware and fuel, then proven on our Dynojet 424xLC2 in Jenison, MI.
This engine runs on: 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.
