| Ultimate BP for winter storage is it better? [message #74969] |
Thu, 25 February 2010 17:23  |
JohnL455
Messages: 4447
Registered: October 2006
Location: Woodstock, IL
Karma: 12
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Senior Member |
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Is Clear Ultimate better in terms of storage times before water absorbtion and stratifiction happens compared to lesser refined fuels? Wondering since it is refined to a clear state, if even though it has ethanol, there are less random compounds in there to react with. My chemistry was not my strong point, I understand that in a perfect world HCs and O2 burning give you H2O and CO2, but thats about it. Well ----some people don't even understand where all that water is coming from so at least I get that. Is it worth running the tanks down and putting in some Ultimate and a brief run before storage. Yes I know that 100%full negates water formation in the tanks but in storage place you have to have less than 1/4 tank so that won't happen.
John Lebetski
Woodstock, IL
77 Eleganza II
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| Re: [GMCnet] Ultimate BP for winter storage is it better? [message #74970 is a reply to message #74969] |
Thu, 25 February 2010 17:40  |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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John,
I store Double Trouble for nine months a year with FULL tanks. I fill them
until the fill pipe is full at a Chevron station 2.5 miles from the storage
facility so I know that when I put her to bed there is as little air air in
the tanks as possible.
I have not added Stabil, Seafoam or any other products like that to the gas
but for the past two years I have not had any problems. I will add it when I
store it this year, however.
I was wondering how does the storage facility know how much gas is in the
tanks of your GMC?
Regards,
Rob Mueller
Sydney, Australia
AUS '75 Avion-The Blue Streak TZE365V100428
USA '75 Avion-Double Trouble TZE365V100426
-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org
[mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of John R. Lebetski
Sent: Friday, 26 February 2010 10:23 AM
To: gmclist@temp.gmcnet.org
Subject: [GMCnet] Ultimate BP for winter storage is it better?
Yes I know that 100%full negates water formation in the tanks but in storage
place you have to have less than 1/4 tank so that won't happen.
--
John Lebetski
Chicago, IL
77 Eleganza II
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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| Re: Ultimate BP for winter storage is it better? [message #74976 is a reply to message #74969] |
Thu, 25 February 2010 19:01 |
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Matt Colie
Messages: 8547
Registered: March 2007
Location: S.E. Michigan
Karma: 7
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Senior Member |
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| JohnL455 wrote on Thu, 25 February 2010 18:23 |
Is Clear Ultimate better in terms of storage times before water absorbtion and stratifiction happens compared to lesser refined fuels? Wondering since it is refined to a clear state, if even though it has ethanol, there are less random compounds in there to react with. My chemistry was not my strong point, I understand that in a perfect world HCs and O2 burning give you H2O and CO2, but thats about it. Well ----some people don't even understand where all that water is coming from so at least I get that. Is it worth running the tanks down and putting in some Ultimate and a brief run before storage. Yes I know that 100%full negates water formation in the tanks but in storage place you have to have less than 1/4 tank so that won't happen.
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John,
Are you saying that the yard where you pay for storage requires that the fuel tanks be less then 1/4 full???
That be the case, put the cheapest gas that will fit in the tank.
Might as well leave it as empty as you can manage so you will be able to put in lots of new fuel when you get it out of storage.
The quality of the fuel in the tanks of a stored vehicle never matters.
The alcohol content matters.
Back when motor fuel had lead in it things were different, but the new fuels have lower vapor pressure, so less leaves when you are not using it.
Matt
Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit
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