Quote:
Originally Posted by Slartibartfast
I have a noob question. I have no experience with ECU tuning, and I'm curious what it really is. Altering timing? fuel? Tricking the air flow sensors? Etc etc... I really don't know. Is it safe? Will it screw me when I'm due for an emissions test? Can someone enlighten me.
Oh and BTW, can someone tell me where the carburetor is on the FR-S, I can't see it in any of the engine bay pics.
Thanks
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Normally when there is no ecu tuning solution people will normally trick the computer by wiring in resisters in airflow meters etc etc.
In this case EcuTek is able to change factory maps in the car computer allowing a tuner to make adjustments - for performance or economy.
EcuTek has plans on setting up non-factory maps in the ECU that will allow correct fuel adjustments for turbo / supercharger kits.
Emissions - well that all depends on what you guys do with the exhaust system. If you remove the cat or cats you will run into problems passing emissions - but other than that a simple performance tune won't effect that.
-John