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 Post subject: VP Race Fuel Shelf Life
 Post Posted: Sun Jun 18, 2017 9:10 pm 
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Joined: Thu May 29, 2003 7:56 pm
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Location: Twin Cities, Minnesota
Car project has been on the back burner for a few years with building a new home, move, etc, etc, I have a 5 gallon container of VP C12 race fuel that I bought a number of years ago. Date on bottom of container is 12/6/12, 4 1/2 years ago. Container is factory sealed, never opened. Think this fuel is still good? Does it go bad? Container has been stored in my garage. Live in Minnesota so has seen temp swings. Not sure if it can get condensation inside? Anybody have any answers before I decide to use it. Thanks in advance.

DonM


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 Post Posted: Mon Jun 19, 2017 3:11 pm 
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Location: Canton Mi.
From VP

How long will VP fuels last in an unopened drum?
The length of time the fuel will stay fresh in a sealed drum depends on the fuel itself.  A non oxygenated fuel such as C12 should be used within a couple years.  I personally have tested some that was eight years old and was fine.  As far as an oxygenated fuel I would like to see these fuels used within a year or so.  This way you know the oxygen content is still within spec.  Both oxygenated and non oxygenated fuels will most likely last longer than I have stated, but I feel that to ensure the best performance following these recommended guidelines will be to your benefit.


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 Post Posted: Tue Jun 20, 2017 5:44 am 
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MalibuRacing Junkie
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I was wondering the same thing since I just opened up a drum of M1

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 Post Posted: Fri Jun 23, 2017 9:46 am 
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MalibuRacing Junkie
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I have had ~1/2 tank of pump gas sitting in Madge since I took her off the road in '02. I sealed the lines, but that ought to run great when she gets on the road... #-o

Tommy

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20k mile '80 Malibu, currently undergoing long term (aka no money) factory style install LS6 454, Cowl Induction, Legend LGT 700 5 speed. Full Global West suspension, 17" N90 wheels, 12" front/11" rear disc brakes, 9" 3.70 Auburn Pro posi.

"The older I get, the faster I was"


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 Post Posted: Sat Jun 24, 2017 8:22 am 
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Tommy - I hope your joking, there is no way I would use gasoline that old.


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 Post Posted: Thu Jun 29, 2017 9:15 pm 
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"Race Gas" isn't really gasoline at all. It's a witch's brew of chemicals that are much more volatile than even "ethanolized" pump gas. There is a reason they come in a sealed container made out of metal. Exposure to air and they can absorb water vapor out of the air while off-gassing the lighter hydrocarbons. UV light exposure and they turn into jelly.

These are problems you get mostly AFTER you unseal their original container. In their original container, unmolested, they can usually last much longer. I still wouldn't go pouring race gas into your tank that's 5 years old. For the money involved, just pitch it and start over.

I'm three tank flushes into a "salvage operation" on a buddy's car where he poured 5 gallons of race gas into the tank that had been sitting in a non-sealed non-original container since last fall. Not only had the gas gone bad, it absorbed so much water what I took out of the (now rusted) tank was ONE THIRD WATER. You can see the parting line between "gasoline" and "water" clearly in a white 5-gallon plastic bucket with a shop light held behind it. It's a freaking NIGHTMARE. I have no idea if we will EVER get all the water out of the thing. DO NOT RISK THIS KIND OF STUFF WITH YOUR CAR OVER SOME MARGINAL RACE FUEL.

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 Post Posted: Sun Jul 02, 2017 10:38 pm 
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MalibuRacing Junkie
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lilbowtie wrote:
Tommy - I hope your joking, there is no way I would use gasoline that old.



I'm not joking. I have no plans of trying to actually run that gas. I never expected the whole project to go more than about a year, but then life got in the way.

Tommy

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20k mile '80 Malibu, currently undergoing long term (aka no money) factory style install LS6 454, Cowl Induction, Legend LGT 700 5 speed. Full Global West suspension, 17" N90 wheels, 12" front/11" rear disc brakes, 9" 3.70 Auburn Pro posi.

"The older I get, the faster I was"


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