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Old 12-03-2019, 12:17 PM   #6
scoobydooluth
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Member#: 382724
Join Date: Feb 2014
Chapter/Region: MWSOC
Location: MN
Vehicle:
09 WRX Sedan
SWP

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Pretty sure the map notes explicitly state they're designed for 10% ethanol content...with the implication that they need at least 10% to properly protect from knock/detonation.

Do you live somewhere with E0 as the standard fuel, or why did you previously add corn on the stock tune? Any issues when you datalog without it?
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