I don't think that adding water would be the right way to go. I think the
problem is that ethanol has a higher vapor pressure than gasoline, and in
cold weather, it is hard to get it to vaporize into a fuel-air mixture
effectively. Gasoline vaporizes much easier, and gets the engine going and
initiates the combustion. But water has an even higher vapor pressure than
ethanol, plus it is not a fuel, so I don't think it would help. Since all
of the commercially produced flex fuel vehicals that I've seen are designed
to run E85, I think they just rely on the gasoline content to start in the
winter. What bugs me is that I can't buy any flex fuel vehicals that are
efficient -- I mean, if I want a flex fuel vehical, I have to upgrade to a
full sized pickup or a V8 sedan. Where's the little 4 cylinder efficient
flex fuel vehical? Guess it's not all that hard to change out carbureator
jets to change the fuel air ratio yourself to allow running ethanol.
Z
On 11/28/06, Thomas Kelly <[EMAIL PROTECTED]> wrote:
Hello All,
I've read that people using ethanol, blend in 15 - 20% gasoline to
improve cold weather starts.
What would one do if they were running on 85 - 90% ethanol : 10 -15%
water to improve cold weather starts?
Do flex fuel cars have options for block heaters?
Thanks,
Tom
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