[HWYSTR455]

You can checkout this Holley vid, or search for others:

https://www.youtube.com/watch?v=utMnoRj-3oc

You can use the handheld, but in the long run, you will get finer tuning with the desktop software.

https://www.holley.com/support/fuel_...r_x_and_x_max/

The 'learned' parameters are only changes to the base fuel map, based off the AFR values you selected. There is a learn table that has all those parameters, and won't be effected by making a change to the ignition.

EFI System Pro has some general info that can be helpful:

https://www.efisystempro.com/efi-pro...fi-instruction


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