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#3311971 - 03/14/14 04:06 PM Re: Doe anyone run E-85 on a Regular basis? [Re: SteveSRT8]
turtlevette Offline

Registered: 12/24/13
Posts: 2046
Loc: Massachusetts
I'm ok with compressed gases. But, they're not for my vette or trans am.

Ethanol is. Any gasoline engine can run E85. Engines not designed for it will still run fine at low and partial throttle. And its really hard for me to believe designers didn't build 30% margin in fuel injector duty. The trick is to run a higher fuel pressure.

So if there was ever a problem getting gas this would be a good alternative to walking.

#3312054 - 03/14/14 05:36 PM Re: Doe anyone run E-85 on a Regular basis? [Re: SteveSRT8]
hatt Online   content

Registered: 01/03/12
Posts: 1958
Loc: Florida
Originally Posted By: SteveSRT8
As an aside, I drove a Ford van for a decade with a propane tank under the body way back in the 70's. We hit many things, even had a serious accident, and never had an issue.
We had a Maverick and a Ford van that ran off LP gas back in the day. Never a problem. LPG and CNG are probably safer than gasoline. A ruptured gasoline system pools while LPG and CNG quickly dissipated into the atmosphere.
2013 F150 5.0, PP 10w-30, FL500s
2010 Camry 2.5, PP 5w-20, Wix 57047

#3312334 - 03/14/14 10:58 PM Re: Doe anyone run E-85 on a Regular basis? [Re: ZZman]
Intelman34 Offline

Registered: 09/07/02
Posts: 310
Loc: Waukesha, Wisconsin
e85 is 2.79 here. Premium is 3.99.

With tuning, my truck makes about the same power with either fuel. I lose about 1.5/mpg with e85, but with the cost difference, it's worth it.
2015 Chevrolet Silverado 4x4 - 6.2L V8 / 8 speed auto
2014 Chevrolet Volt

#3312513 - 03/15/14 08:01 AM Re: Doe anyone run E-85 on a Regular basis? [Re: turtlevette]
Garak Offline

Registered: 12/05/09
Posts: 14953
Loc: Regina, Saskatchewan, Canada
Originally Posted By: turtlevette
I am. A little.

Poor inspection is an issue, but I see much more frequent problems with gasoline cars burning down due to fueling issues. Propane has had so few issues as to be laughable. Gasoline tanks need some regular inspections, if you ask me.

And of course, LPG or CNG isn't for your Vette or Trans Am. To get a decent sized LPG tank would require a lot of butchery, and the CNG setup would be worse, with less range.
Plain, simple Garak.

2008 Infiniti G37 coupe - Mobil Delvac 1 ESP 5w-40, Wix 51358
1984 F-150 4.9L six - Quaker State GB 10w-30, Wix 51515

#3454213 - 08/13/14 05:38 AM Re: Doe anyone run E-85 on a Regular basis? [Re: beanoil]
247 Offline

Registered: 08/11/14
Posts: 7
Loc: Nebraska USA
Actually Beanoil...with all due respect see this website

According to these tests your Dodge Caravan probably gets 30% less mileage on E-85 vs. E-0 (Reg. UL)

Considering the "Energy-Mileage-Penalty"...E-85 would have to be priced at about $2.89 to equal the $3.98 E-0 Reg. UL grade you mention (on a BTU basis). With a 15 gallon fill you are spending about an extra $7.50/fill to get the same number of BTUs. It's all about the number and cost of the BTUs you put in your tank since mileage and cost/mile is proportional to energy content.

See what these people have done. These FuelCOG people have an app which takes the guess work out of this while standing at the pump. It works and it's accurate. I've used it. If interested go to

#3460052 - 08/20/14 07:13 AM Re: Doe anyone run E-85 on a Regular basis? [Re: ZZman]
TiredTrucker Offline

Registered: 01/04/08
Posts: 1873
Loc: Kellogg, IA
And there are variations on the blends that can be more cost effective. I have blender pumps near me, that I can select E10, E15, E 20, E30, and E85. I have found that using E30, which is around 20-25 cents less than regular gas, I get almost an identical mpg. Now true, when I use E85, the mpg drop is definitely there. But with E10 - E30, it is negligible. And different engines respond differently. GM flex fuel vehicles showed the lowest mpg difference between E30 and gasoline in some test I read a while back. Others, showed higher variations. The best "bang for the buck" for my vehicle seems to be E30. One study I read a while back showed that Ford and Toyota vehicles got better than straight gas mpg using E30 while the GM vehicles got as good or better mpg than gas using E20. I only know that using E30 in mine, it is more cost effective on a cost per mile basis than using gasoline at the current price spread. Same for E85 right now. E10 and gas are a wash when it comes to cost per mile. If one only looks at mpg, they can be disappointed to say the least. It is the cost per mile that one has to factor to see if it is worth it. And it depends on the region of the country.
Burn it down.

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