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It is well worth it! Spend some time on both the VE and MAF tables independently. I recorded 250 miles worth of datalogs this weekend as well as a few morning cold start, idle warmups. Mine is not perfect yet but it is alot closer than it was. The startup is cleaner and smoother and the the low-mid throttle is a lot more responsive. I am using Paste Special Half on the MAF/VE error tables I created to multiply the error by half to prevent overshooting. It is working nicely. My VE table was a bit lean. My MAF table a bit rich. They are now much closer. Make sure closed loop is fully disabled, that the EVAP is turned off and that you reset the LTFTs prior to data logging. Next weekend I am making the same trip and it will be with pump E85 in the tank.
I have noticed the analog output readings I’m getting are slightly off from the gauge, not sure if that’s some kind of latency or related to what you are talking to.
