Will a S4 NA ECU handle boost properly?
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Rotary Freak
Joined: Jun 2004
Posts: 2,718
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From: Ames, IA
Will a S4 NA ECU handle boost properly?
I've seen a few NA supercharger projects, and have decided it would be worth looking into (with all the money I don't have and such).
Will the S4 NA ECU handle low amounts of boost properly? In the 3-5 PSI range? The airflow meter will show the increased air flow, and the ECU *should* add fuel as needed to compensate, right?
Also, will I have to put in any fancy timing retard methods, or just retard timing slightly across the board? Or will I even have to retard timing for low boost levels?
Finally, what sort of effect does a supercharger have on fuel economy? Obviously it'll use more fuel when boosting, but there's always a drag on the engine - does this affect things much during normal highway cruising?
-=Russ=-
Will the S4 NA ECU handle low amounts of boost properly? In the 3-5 PSI range? The airflow meter will show the increased air flow, and the ECU *should* add fuel as needed to compensate, right?
Also, will I have to put in any fancy timing retard methods, or just retard timing slightly across the board? Or will I even have to retard timing for low boost levels?
Finally, what sort of effect does a supercharger have on fuel economy? Obviously it'll use more fuel when boosting, but there's always a drag on the engine - does this affect things much during normal highway cruising?
-=Russ=-
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