With three tuning strategies to choose from, Alpha-N, MAP-N and modeled airflow, there is an option to fit most any application. Alpha-N (RPM vs. throttle position) is ideal for engines with big cams and competition applications. MAP-N (RPM vs. manifold pressure) is ideal for boosted (turbo or supercharged) engines and also for normally aspirated engines making more than 10 in/Hg vacuum at idle. Modeled airflow with MAF or MAP (speed density) is for use with MAF (mass air flow) sensors. It is ideal for engines requiring good drivability and economy and this system can support up to two digital MAF sensors. Once tuned with the MAF sensor, the sensor can be removed if desired and run with MAP only.
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