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Went from V2.076 Stage 1 to V4 Stage 2+E85. Still feeling out the new tune, but a couple of early observations.
- Cold start is much quieter.
- No problem cranking the engine at 55 F.
- Initial throttle response feels slower, even after the learning cycle finished. Not sure what's going on there, as I heard throttle mapping wasn't changed?
- Once the old 91 octane cleared out, FLKC dropped to 0. I did a few 2nd gear pulls and didn't see any FLKC. Need to download my logs, but IAM climbed to 1.00 and is rock solid. Before with 91 octane, it was at 0.66.
- LTFT is within +/-5.
- Power feels solid. Maybe a little stronger than my old stage 2 setup on 93 octane. Pretty happy so far.
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