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Old 06-06-2018, 10:53 AM   #109
silverscooby
Scooby Specialist
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Member#: 15060
Join Date: Feb 2002
Chapter/Region: MWSOC
Location: OH
Vehicle:
2015 WRX
MAPerformance Stage2+ E30

Default

Received my e30 tune on Monday and going from a stock car to this is crazy. Besides the power increase, I also can't believe how much better the car drives. MPG is better as well on the highway.

Quick question, since the actual ethanol percent varies on my local 'E-85' due to seasonality (label says 55-85% ethanol), is it ok to put 6 gallons of it in instead of 5 with each fillup (the rest with 93 octane) to be safe?

I know the E-85 increases the octane but I'm not sure of the drawbacks of adding more E-85 in relation to 93.

Thanks!
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Last edited by silverscooby; 06-06-2018 at 11:22 AM.
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