Quote:
Originally Posted by WNDSRFR
I just finished my first 10 gallons of E? and thought I would share my impressions/opinions.
First off let me say the conditions were less than ideal for any kind of FI testing, WAY less than ideal. The air temp was about 95 degrees with about 90% humidity with low atmospheric pressure.
My initial impression was that the E-85 tune has less power than the 93 tune. I know that it doesn't but it FEELS less powerful. I think it may be because the E85 tune is sooo smooooth. I actually ran into the rev limiter a few times not realizing my RPM was so high.
And the flat foot shifting really is cool. But you better watch your speed. You get past "go to jail" speed before you know it.
As for MPG/economy goes, my long term MPG with 93 octane is 29.1 MPG according to the MPG meter. On E? my average MPG was 32.4 MPG according to MPG meter. Of course that is impossible. So according to my odometer I got 27 MPG. That's believable.
So, The current price for 93 is $3.69 per gallon. And that's the cheapest it's been in a long time. It's usually closer to $4.00.
The E85 cost $3.11 per gallon.
So according to my calculations it cost .1268 per mile for 93 octane and E85 is .1152 per mile.
Enough reason alone to run alcohol.
But now I am running e>85. I got an alcohol hydrometer to check the purity of my E85 but it says it's about 120% alcohol. So it doesn't work. I'm assuming then that my current fuel tank contains a least E85 after the first tank purging. My first impression now is that yes it has more power.
At less cost.
More to come...
THANKS SHIV YOU ARE THE MAN.
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I'm jealous! I had to fill with another third of a tank since I'm an AT waiting for those maps to hit. e85 is around $3.30 in my area, but I don't remember getting mileage that good when I was on e85 before. I feel like it was closer to break even when I was running it due to my higher costs.
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