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Old 10-19-2010, 02:56 PM   #281 (permalink)
Nerys
Grrr :-)
 
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Join Date: May 2008
Location: Levittown PA
Posts: 800

Cherokee - '88 Jeep Cherokee
90 day: 19.44 mpg (US)

Ryo-Ohki - '94 Geo Metro Xfi
90 day: 50.15 mpg (US)

Vger 2 - '00 Plymouth Grand Voyager SE

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Quote:
Originally Posted by tjts1 View Post
I've driven in and out of states that require E10 for years and the biggest FE difference that I could measure was maybe 3% at most. If the difference is any bigger chances are the O2 sensor is fried or the owner has been ignoring regular maintenance.
Yeah sure until they "decree" it safe for all other years then they will force that on us too. Kiss 50mpg goodbye if that happens :-) (I am being sarcastic I don't know how much an effect another 5% will have but it can't be good)

I am curious about your 3% how much of the FILL was E10 and E0? half a tank of E10 and half a tank of E0 means you were not running E10 but running E5

and that assumes it was E10 that was pumped in. I have measured as low as E6 from regular gas stations.

Just curious. to get a good measure you need to run several tanks of each so that last tank is almost pure E0 or E10