Published May 17, 2025 © CC BY-NC-SA

Speeduino for 2.5L Fiero

Replace your Factory ECM in your 2.5L Fiero with a SPEEDUINO system which you can tailor to your desires.

IntermediateFull instructions providedOver 1 day70

Things used in this project

TunerStudio MS

I grew tired of some "features" and anomalies of the Fiero ECM so I developed a Speeduino version and decided to share it with others

4 projects • 1 follower

Retired Electrical Engineer having fun every day; or most days, anyway.