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Old 04-23-2008, 06:06 AM   #1
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Default Help me understand timing on the OEM Ecu

I got a question about how the timing signal is generated in the OEM Ecu.

We all do know that the EMBs injector correction trims the MAF signal, so that the OEM Ecu thinks there's less airflow and therefore shortens the injector duty cycle.

The same procedjure should take place if I convert my normal AFM to a RX7 one with bigger injectors.

The question is:

Timing is known to be calculated through load, meaning a combination of rpm and Airflow.

So will the timing advance by the OEM Ecu along with rpm become higher or smaller after using the injector correction feature of the EMB?

Last edited by RacingGreen; 04-23-2008 at 06:19 AM.
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