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XfireZ51 · 11-27-2017

“I don't think that the OEM LT5 ECMs are lacking for any sort of conditions that it will see. The ECM makes adjustments for air temps, air pressures. Its not like if you are running a stock ECM setup that there are conditions that it cant deal with.
Of course there are advantages to other certain ECMs, but the stock ECM is fine for most users, and once you have the ability to make changes to the stock calibrations, there's really not much you cant get accomplished. The stock ECM isn't limiting top end power or anything, the rev limit can be raised(if you need to) the Injector Flow Rate is adjustable, so you can fuel whatever power level you need.”

I am really in agreement w both Paul and Pete here. On an N/A LT-5, I don’t think the stock ECM exhibits any limitations to tuning ur setup. I wish we could bypass the ICM, but beyond that the OEM engine management is very extensive
because it needs to be.
Limited purpose motors are a different story if u want to extract the maximum.

11-27-2017	#47
XfireZ51 Join Date: May 2007 Location: Chicagoland, IL Posts: 9,686	Re: A good day at the dyno... “I don't think that the OEM LT5 ECMs are lacking for any sort of conditions that it will see. The ECM makes adjustments for air temps, air pressures. Its not like if you are running a stock ECM setup that there are conditions that it cant deal with. Of course there are advantages to other certain ECMs, but the stock ECM is fine for most users, and once you have the ability to make changes to the stock calibrations, there's really not much you cant get accomplished. The stock ECM isn't limiting top end power or anything, the rev limit can be raised(if you need to) the Injector Flow Rate is adjustable, so you can fuel whatever power level you need.” I am really in agreement w both Paul and Pete here. On an N/A LT-5, I don’t think the stock ECM exhibits any limitations to tuning ur setup. I wish we could bypass the ICM, but beyond that the OEM engine management is very extensive because it needs to be. Limited purpose motors are a different story if u want to extract the maximum.