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I refilled today. I put in 8 gallons of washed fuel and topped up at wawa for .4 gallons at wawa so 8.4 gallons for 455.7 miles driven. 54.25 mpg thats nearly a 5mpg boost from the last tank or a 4+mpg boost from my last 5 tanks average.
ie over 8% improvement !! looking good so far! that was with a tank filled with roughly 70% washed gas and 30% E10
this tank is closer to 80% washed gas and under 20% E10
in a tank or two I should be under 1% ethanol overall.
it these results hold I will make the trip to allentown for the proper E0 gasoline 40 gallons of it (plus I will try to arrange it so the mouse is nearly empty when I get there so I can fill my tank as well.
So far no issues with the car Fingers Crossed :-)
bgd73 I agree on the old car versus new. I think newer cars (post 2001-2002) will see the projected 4% drop in FE its the older cars where you can not "adjust" the system to compensate for the ethanol that are going to be the ones hurting and also the people LEAST likely besides us strange ones to be CHECKING their FE at all)
any percieved loss they would simply put up to the age of the car not realizing its the damned fuel.
at this range my gut tells me if I put 10 gallons of E10 in my car I am going to go X distance.
I contend that not only is ethanol nasty but it HURTS ME. I think if I took that 10 gallons of E10 and removed the 1 gallon of ethanol from it and put the remaining 9 gallons of gasoline in my car I would actually go FURTHER than on the full 10 gallons of E10
ie ethanol is not just like erasing 10% of your fuel its erasing 10% of your fuel and RETARDING the rest of your fuel. so you end up actually using MORE gasoline than before not just offsetting the 10%
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