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Old 01-22-2021, 07:42 AM   #1
bdtbdtbdt
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Fuel Choice?

15 Frs, Oft , Oft header. would there be an power advantage to running 91 octane with no ethanol vs. 93 octane with 10% ethanol?
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Old 01-22-2021, 07:46 AM   #2
tomm.brz
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more octane, more potential power
regardless of ethanol %
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Old 01-23-2021, 06:47 PM   #3
jflogerzi
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Garage
93 any day.
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2013 Series 10 FRS #553
RCE T2's, SPC LCAs -4/2.6 camber
JDL 4-2-1 EL, FP and OP, Tuned by Zach@CSG on e85
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ARC-8 17x9 SX2 GTs 245s/Koing 17x8 v730's 225's
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Old 01-26-2021, 08:59 PM   #4
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Just tune it to E85. You will thank me later and will really see the power gain/difference. Header isn't even needed to see the gain.
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