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Fuel test: 10 gallons of E85 today in my Tahoe..

Posted on 1/2/20 at 8:39 am
Posted by LSUAlum2001
Stavro Mueller Beta
Member since Aug 2003
47135 posts
Posted on 1/2/20 at 8:39 am
New gas station near me had it and I put in less than half a tank to test it out.

Reset all the parameters to get an idea of mpg over the next week.

Send prayers.
Posted by TigerFanInSouthland
Louisiana
Member since Aug 2012
28065 posts
Posted on 1/2/20 at 8:40 am to
How fast will you be driving though?
Posted by ScopeCreep
In the thick
Member since Jul 2016
639 posts
Posted on 1/2/20 at 8:40 am to
MPG will go down considerably. Power will go up. I’ve looked into converting my weekend car to run it. Can get to over 800whp easily but my fuel economy will cut in half to around 6mpg which just doesn’t work for me since there’s only a few stations with it in my area.
Posted by VolsOut4Harambe
Atlanta, GA
Member since Sep 2017
12856 posts
Posted on 1/2/20 at 8:41 am to
quote:

Tahoe


Lol you’ll go from 11mpg to 7.
Posted by S
RIP Wayde
Member since Jan 2007
155705 posts
Posted on 1/2/20 at 8:42 am to
Should i try this in my Bentley Flying Spur?
Posted by fallguy_1978
Best States #50
Member since Feb 2018
48587 posts
Posted on 1/2/20 at 8:42 am to
ethanol is such a joke
Posted by Cosmo
glassman's guest house
Member since Oct 2003
120321 posts
Posted on 1/2/20 at 8:43 am to
Gas station near me sells ethanol free, thats how I usually roll
Posted by tLSU
Member since Oct 2007
8623 posts
Posted on 1/2/20 at 8:44 am to
quote:

Power will go up.


Yeah, you don't understand how this works. E85 doesn't provide any power boost. It allows one to retune and use more aggressive timing and a:f to boost power.
This post was edited on 1/2/20 at 8:45 am
Posted by 777Tiger
Member since Mar 2011
73856 posts
Posted on 1/2/20 at 8:45 am to
quote:

How fast will you be driving though?


this is key, if speed is less than 100mph the numbers will be skewed
Posted by Zanzibaw
BR
Member since Jun 2016
2947 posts
Posted on 1/2/20 at 8:45 am to
Screw the gas, sounds like somebody just got a Swirl World
Posted by ScopeCreep
In the thick
Member since Jul 2016
639 posts
Posted on 1/2/20 at 8:45 am to
So power goes up, yeah? Tell me more about what I don’t understand. Please.
Posted by tLSU
Member since Oct 2007
8623 posts
Posted on 1/2/20 at 8:47 am to
He told you he put in 10 gallons and was going drive around. You responded that his power will go up. Is that true or false?


Posted by summersausage
Member since Jul 2010
1816 posts
Posted on 1/2/20 at 8:51 am to
quote:

ethanol is such a joke

Only thing this should be used for is making whiskey
Posted by LSUAlum2001
Stavro Mueller Beta
Member since Aug 2003
47135 posts
Posted on 1/2/20 at 8:52 am to
quote:

How fast will you be driving though?


Anywhere from 40-75, depending on traffic.
Posted by redstick13
Lower Saxony
Member since Feb 2007
38536 posts
Posted on 1/2/20 at 8:54 am to
Too slow. You need to get up around 100 to overcome the wind drag.
Posted by southern686
Narnia
Member since Nov 2015
883 posts
Posted on 1/2/20 at 8:54 am to
quote:

Yeah, you don't understand how this works. E85 doesn't provide any power boost. It allows one to retune and use more aggressive timing and a:f to boost power.



A "flex fuel" vehicle has an inline sensor that allows the ECU to read alcohol content of the fuel. The ECU then adjusts timing/AtF accordingly, and then will retard based off knock sensor readings.
There is a small bump in power, but for a stock NA tahoe I doubt it's very noticeable.
Posted by nola000
Lacombe, LA
Member since Dec 2014
13139 posts
Posted on 1/2/20 at 9:02 am to
quote:

ethanol is such a joke


What makes it a joke? Its renewable and sustainable. In a perfect world, all of our consumables would be renewable and sustainable.

The mandates and the subsidies? Yeah, those are a fricking joke. The government doesn't belong there.

If I had the land I would grow sugar cane and power my gasoline engines for free. Would save my family $400 a month in fuel cost
Posted by Higgysmalls
Ft Lauderdale
Member since Jun 2016
6442 posts
Posted on 1/2/20 at 9:03 am to
quote:

Screw the gas, sounds like somebody just got a Swirl World


Only if half the flavors worked it would be the GOAT. Especially now since you pay a base price. It sucked when they weighed it
Posted by fallguy_1978
Best States #50
Member since Feb 2018
48587 posts
Posted on 1/2/20 at 9:04 am to
quote:

What makes it a joke? Its renewable and sustainable. In a perfect world, all of our consumables would be renewable and sustainable.

Ethanol production is worse for the environment than if we just burned regular gas. It's become a political football though.
Posted by Bigfishchoupique
Member since Jul 2017
8405 posts
Posted on 1/2/20 at 9:04 am to
Power goes up when using more ethanol ? Please educate me,I am an apt pupil.
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