Quote:
Originally Posted by dave-
My process is this: disable port injection. scale maf to center mass against the DI only (process separation). switch to 100% port... adjust port scaler/latency against the now-known-good MAF. recombine and fine-tune in the MAF scale.
But you can't just go 100% DI and then head out doing WOT runs to obtain logs and if you're only logging closed loop, surely you're not going to get enough data to come up with a decent scale? What have I missed here?
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Quite a lot I'm guessing.
On NA, you can certainly go out with full 100% DI, scale the maf then adjust the port injector scales to match.
Now that you are FI, and especially since you seem to find it necessary to run bigger injectors, 100% DI won't have enough headroom to run, at power generating AFR's that is.
You could run 100% DI at high loads with vastly decreased timing, get the maf scale right then switch to PI to adjust the PI scalar.
Or you could run 100% DI up until a certain point somewhere between 3 and 4 MAFV, then adjust the PI scalar based on data ONLY up until that point, then adjust the MAF scale with both DI/PI combined after that point. This would be your best option.