TunerPro RT can provide an enormous about of information, see screenshots below.
Many years ago, I experienced frustrations with a fuel only aftermarket TBI system on an IH 304 Scout. I installed a DUI HEI distributor and the Scout came to life when the 1227747 was controlling spark. TunerPro RT "Recorded" or data logged the Spark Advance (Hack Required) and Fuel BLM's (Rich / Lean).
Data = Performance . . . the absence of data = frustration
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