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XfireZ51 · 01-31-2018

If there’s knock, then the ECM will retard timing depending on the amount of retard defined in the calibration. Given that the ECM is calculating pulse width to control injectors, doubtful u can use the OEM ECU. A Holley Pro-Jection system may be a viable alternative.

01-31-2018	#6
XfireZ51 Join Date: May 2007 Location: Chicagoland, IL Posts: 9,686	Re: 92 LT5 ecu ignition program and control If there’s knock, then the ECM will retard timing depending on the amount of retard defined in the calibration. Given that the ECM is calculating pulse width to control injectors, doubtful u can use the OEM ECU. A Holley Pro-Jection system may be a viable alternative.