<VV> Non-Corvair Specific: Gas freezing?

[jvhroberts at aol.com]

 Ayep, Steve. It's all about keeping the water out. Gasoline freezing is of academic interest only. 
I keep on hand a small stock of dehydrated ethanol, 200 proof. Yes, no water beyond about 50 ppm. That has done the trick numerous times. 
Keeping the water out should be first and foremost, especially on cars like Corvairs with vented tanks. Your point about keeping the tank full is about as spot on as one can get!

 

John Roberts
 

 

-----Original Message-----
From: Shelrockbored <Shelrockbored at aol.com>
To: virtualvairs <virtualvairs at corvair.org>; 62vair <62vair at gmail.com>
Sent: Fri, Dec 27, 2013 8:23 am
Subject: Re: <VV> Non-Corvair Specific: Gas freezing?


I've been following this thread with interest.  Assessments of what  will 
happen at 50,000 feet are interesting but somewhat of moot since  no car or 
Corvair powered aircraft are going to drive or fly that high (Mt.  Everest is 
not even 30,000 feet high).
 
In their guide to the Alaska Highway in winter, AAA recommends keeping the  
tank full as much as possible to reduce condensation in the tank.
 
I think this will answer your question more succinctly than any approach to 
 aviation.
 
Steve Sassi
Long Island Corvair
 
 
 
 
In a message dated 12/24/2013 4:53:45 P.M. Eastern Standard Time,  
62vair at gmail.com writes:

Another  consideration on newer cars is that the gas tanks are not vented
like our  older corvairs, so there is less chance for any condensation
unless there  is water in the fuel.
Mark Durham, Hauser lDAHO
On Dec 23, 2013 7:23 PM,  <ricebugg at comcast.net> wrote:

All:  My wife ask if we should  fill up the tank on her RAV tonight.  We
then had a conversation about  keeping at least half a tank of gas in the
car during cold weather like we  are having now in Central Illinois.  She
thought it was to keep the  gas from freezing.  I told her it was to give
you heat if you get in  trouble, assuming the motor is still running.  I
realize condensation  inside the tank can freeze in a fuel line, but that it
is rare.  Never  had it happen in 40 plus years of driving up here.

I assume one of you  chemist types will know the answer here.  The question
is, just out of  curiousity, what is the freezing temp of gasoline?  I
assume it will  freeze at some temp, but so far down the scale everything
else in the car  has become non-functioning.

Thanks,

Historically  Yours,
James  Rice

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