Honda 1.8i VTEC (R18Z) Tuning
Supported in 2 Honda models, 2004+.
Honda
2 supported 1.8i VTEC (R18Z) applications
Models With the Honda 1.8i VTEC (R18Z)
All Supported Honda 1.8i VTEC (R18Z) Tunes
| Model | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| Civic | 2006+ | Gen 8 - FN2 | 140 hp | ECU Keihin SH7058 | AutoTuner |
| FR-V - Edix | 2004+ | BE | 140 hp | ECU Keihin SH7058 | AutoTuner |
About Honda 1.8i VTEC (R18Z) tuning
We tune the Honda 1.8i VTEC (R18Z) in 2 applications across the Civic, FR-V - Edix, from 2004+, in gasoline form, with stock outputs of 140 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: Keihin SH7058.
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.