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How to tell if racing fuel is still good to use...?

Discussion in 'The Hokey Ass Message Board' started by Dandingo, Sep 20, 2010.

  1. Dandingo
    Joined: Dec 20, 2005
    Posts: 298

    Dandingo
    Member

    My dad picked up about 5 of these at a garage sale for pennies. I wanted to find out if it is still safe to run through my wagon. I have no idea how to test fuel to see if it's safe. There are some numbers at the bottom. Possible date? Any advice out there or do I just have to buy a used lawn mower and test it? :eek:

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    Last edited by a moderator: Jun 1, 2014
  2. Johnny Gee
    Joined: Dec 3, 2009
    Posts: 12,687

    Johnny Gee
    Member
    from Downey, Ca

    I'll test all 5 gallons :D
     
  3. Dandingo
    Joined: Dec 20, 2005
    Posts: 298

    Dandingo
    Member

    I'd happily let you test it if you were local ;)

    Also, I just found out that this one is leaded. Is this bad to run through a '70s 350 SBC?
     
  4. donut29
    Joined: Mar 6, 2006
    Posts: 1,518

    donut29
    Member
    from canton MI

    Have you smelled it? If so dose it smell like bad gas dose?

    Is there a cap with a little pull ring under the black cap?


    Just run it and top off with premium
     

  5. Race fuel has a shelf life of about 2 years if un opened and stored cool.

    If the can was bulging out I would say no -Heat will bulge the can and the light hydrocarbons may have gassed out.

    You can go to VP's web site and get the specs on the specific gravity and check it with a hydrometer.

    Pump gas is high in paraffin which makes it gel when it gets old, race fuel is low in paraffin.

    It doesn't sound like your getting it for your highly tuned race car so as long as it doesn't have that old gas smell and you just want to bump up your octane a bit, you should be ok.

    -Don
     
  6. Dynaflash_8
    Joined: Sep 24, 2008
    Posts: 3,037

    Dynaflash_8
    Member
    from Auburn WA

    2007. If unopened and has some pressure id say sure. If not, you'll have the best smelling weed eater ever.
     
  7. From VP's web site :
    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
    The rusted drum can casue problems if it has rusted to the inside.
     
  8. Francisco Plumbero
    Joined: May 6, 2010
    Posts: 2,533

    Francisco Plumbero
    Member
    from il.

    If you get a little wiff of it up your nose and it has a little burning kick then it may have some sweetness left, if you can just sit there smelling it forever, you may have bad gas or you may be an addict.
     

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