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Old 04-19-2008, 02:05 PM   #7 (permalink)
trebuchet03
MechE
 
Join Date: Dec 2007
Location: Bay Area
Posts: 1,151

The Miata - '01 Mazda MX-5 Miata
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Quote:
Originally Posted by Lazarus View Post
Most of the studies I've seen have E10 at a 1-3% loss. Some places have E10 all year around.Here's one but it's from the ethonal folks. I've seen an increase in FE with Eoth in 2 cars, both small displacement. I think in general that the affect of E10 are over estimated and the affects of temperature is under estimated. YMMV (Your mileage may very)
That sounds about right - the aforementioned hit has been ~1.5mpg... Slightly higher than 3%, but it puts me under 35mpg which makes me sad
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