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Reflashing an Na engine using ECM alientech to produce burbling exhaust sound

Practical Reflash Tuning

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Discussion and questions related to the course Practical Reflash Tuning

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knowing that the injectors in an oem ecu will shutoff in the overrun area ,is adding fuel and retarding the ignition on the overrun area will produce a burbling sound when reflashing an oem ecu ? or do i need to request the overrun map? and how much should i retard the ignition ? should i retard the ignition dramatically ? or retarding just couple off degrees ? i am not looking for an anti-lag style and shooting fire! i am planning to rich and retard 10 degrees the area at 0 to 20% load and 4000 to 6000 Rpm

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