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Old 02-08-2013, 11:47 PM   #10
feta_mgp
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Join Date: Jul 2011
Fan#: 88210
Location: Vero Beach, FL
What I Drive: 2012 SGM Focus SEL

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Quote:
Originally Posted by Bogey View Post
I switched to 87 for and tank and reset the l/100 km and the switched to 91 the next tank without reseting and the mileage immediately with a few minutes of driving went down from 8.7 to 8.5 and i was hauling it in rush hour.
Performance =/= fuel economy. There have been contradictory reports from members about whether or not they get better fuel economy as well, but the higher octane gas will technically give you a little more power, hence the "improved performance" aspect.
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2012 SGM SEL Sedan 303a w/o Nav | Job 1 built 6/2011
FSWERKS Cool-Flo w/ ITG Filter | FSWERKS Stealth Exhaust | 17x7.5 Axis Sport XMX Graphite wheels
Sonic Crew #28 | Rally Revolution #117
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