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The e20 log is a little strange, boost/load is quite a bit off target. Some of your older logs had some erratic boost control too. A slightly leaner afr might give you the room to run e20 at this load.
With the e40 m2 logs I expected to see a fairly clean e20 log on yours. M2 on oem flash has a richer afr which adds extra stress to the hpfp. On a proper map with a more suitable afr i’d expect to see a higher ethanol tolerance over the jb4 setup.
This hpfp upgrade might just be suitable for the stock turbo guys looking to max out performance there. Hopefully your tuner can get you an e20 specific map to test.
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