Ferrari Mailing List: Re: ethanol

[Jeff Greenfield (coyote]

Here in the north east all gas has a 10% Ethanol content. 

As mentioned by someone else, ethanol will absorb moisture from the atmosphere. This is a bigger issue with older cars (and boats) that do not have a 'closed' fuel system which modern cars all have. 

The E10 fuel also has a shorter shelf life. 

Problems are numerous. Gas tanks rust internally, (it will dissolve fiberglass fuel tanks used in some boats), causes corrosion in carb's and fuel systems, it will eat fuel pump diaphragms and hoses. 

I've run into many problems on older cars that are infrequently used, having the carb's get all gummed up. 

Best thing you can do is not use blended fuels if at all possible. If you have an older car that is seldom used and live in an area where all fuel is blended, if you know someone at the local airport who will let you fill up with av gas it is well worth the extra cost. It is way more stable and can sit in the tank for a year or more without any problems. 

Short if that, use a fuel stabilizer specifically designed fir blended fuels. Stabil now has a (green in color) marine fuel 

stabilizer for ethanol blend fuels. Don't let the marine thing scare you, it's fine in cars too. 

Jeff

Sent from my iPhone

On Nov 5, 2010, at 4:19 PM, dale sailors <sailorsdaleedward [at] yahoo.com> wrote:

Hi,

    Does ethanol or alcohol based fuel negatively affect Ferraris past or present?

    What components are potentially harmed?

    Back when I rode BMW M/Cs, gas with ethanol would ruin diaphrams and seals in BING carbs very quickly. I retrofitted R90S model DELLORTO carbs which seemed to have no problem.  SHELL aviation gas ran wonderfully in those machines too! The local small airport would fill up the tank with no questions about road tax.

      Ciao

      Dale

PS Just read the Bleacher Report, F1 is getting like pro wrestling!

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