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Old 11-16-2010, 04:06 PM   #24 (permalink)
AeroModder
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Join Date: Jan 2010
Location: Oregon
Posts: 471

Tank - '96 Ford Aspire 4 door
Team Ford
90 day: 46.75 mpg (US)
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My first tank without it came to around 25 MPG, so it may have some effect after all. The temparatures cooled and more rain came around after I installed it, so it might have evened out the drop in FE.
I had to fill with E10, though, because the price of unblended premium is 50 cents a gallon more than E10 regular, and it's no longer cost-effective going with the premium.

I might revisit this mod later on.
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