<VV> Non-Corvair Specific: Gas freezing?
Sethracer at aol.com
Sethracer at aol.com
Tue Dec 24 01:18:58 EST 2013
At 16 degrees F, I would be adding alcohol to the former driver, me, the
truck parked and me in a bar somewhere! (Having walked a couple of hundred
yards at about 1 degree last week. Yecch!) - Seth
In a message dated 12/23/2013 9:45:21 P.M. Pacific Standard Time,
corvairduval at cox.net writes:
You are correct that that is the common wisdom for years now.
I just add alcohol (Heet, Dry Gas, etc) to the tank and drive on.
Of course now that we run 10% ethanol, maybe I don't nee the methyl or
what ever added....
If gasoline actually freezes, dress very warm!
Diesel, now that will gel at surprisingly high temperatures. I found
that diesel without additives would start to gel at about 16 °F when I
was driving at 55 (ha!) mph. All the trucks beside me were also blowing
white smoke, so we were all in the same boat. Twice I had to get off the
interstate and add a gallon of unleaded to the tank to continue driving
at speed when a cold snap surprised me. Not a recommended additive, but
One should run some anti gel in diesel if the temp is regularly below 20
°F or so. Maybe diesel sold up north already has something in it.
On 12/23/2013 11:14 PM, J. R. Read wrote:
> I believe the issue is not gas freezing but is moisture in the tank
> condensing and getting to a low point in the fuel line where it (the
> which is heavier than gas) can turn to ice and block the fuel line. The
> idea behind keeping the tank full of gas would be to leave less space in
> tank for moisture (water) to accumulate. I don't have a clue if this is
> was correct, but it would seem to me that most (all probably) tanks are
> non-vented on modern cars and the issue would no longer exist
> off how full (or empty) the tank might be at the moment.
> This post will likely upset Smitty since it is not based on actual
> Later, JR
> ----- Original Message -----
> From: <ricebugg at comcast.net>
> To: <virtualvairs at corvair.org>
> Sent: Monday, December 23, 2013 9:22 PM
> Subject: <VV> Non-Corvair Specific: Gas freezing?
>> 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
>> 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
>> 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.
>> Historically Yours,
>> James Rice
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