Re: [AMC-List] E85 and Old Cars

[Peter Marano <PMarano@xxxxxxxxx>]

E85 may have a performance advantage in forced induction engines.  
Ethanol has ~ 2.6 times the latent heat of vaporization (Btu/gallon), 
and the heating value of ethanol is only ~.6 of the heating value of 
gasolene (Btu/gallon).  This means you could expect the intake air to be 
significantly cooler when using E85; possibly cool enough to eliminate 
the need for an intercooler.  Westech Performance Group measured a 
temperature drop of ~100 degrees from the carburetor enclosure to the 
manifold, this temperature drop was with gasolene, and E85 should cool 
it further.


There is a problem comparing prices however; (I think Tom Jennings said 
it) 'we buy fuel in gallons but use it in Btu/mile'.  Because E85 has 
less Btu/gallon it has to cost less per gallon to cost the same per mile.

Peter Marano
Kenosha WI

>On Tuesday 25 April 2006 08:15, farna@xxxxxxx wrote:
>  
>
>>There appears to be no consumer reason for switching to E85. In the vast
>>majority of instances E85 prices closely parallel gasoline prices, maybe a
>>few pennies less. I checked pricing on this site (which has other info and
>>links) - http://www.eere.energy.gov/afdc/e85toolkit/e85_fuel.html. The only
>>reason to switch to E85 is environmental. In the long run using more
>>ethanol should help US industries other than oil -- especially farming.
>>
>>On April 25, 2006 Todd Tomason wrote:
>>    
>>
>>>John,
>>>
>>>I know it's possible.  I remember guys doing it back in the late 70's
>>>with straight ethanol.  I have heard of issues with fuel line corrosion. 
>>>I'm not sure if it's from the alcohol, or the water in the alcohol.
>>>
>>>Todd
>>>
>>>On Monday 24 April 2006 21:51, John wrote:
>>>      
>>>
>>>>Has anyone converted a carburetor engine to run on E85?  I have been
>>>>reading posts on other sites that talk about rejetting and using
>>>>additives to prevent lubrication issues.  How hard would it be to get
>>>>it to work in my 70 Ambo?
>>>>
>>>>John
>>>>E85 Land (Indiana)
>>>>        
>>>>
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>>>
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