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Gumout--in, or out? 850

uid 53474's pic
posted by  VTexan on  Thu Jul 5 18:14 CST 2012
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last visit: Thu Jan 31 13:34 CST 2013
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I was buying something at the Autozone and they convinced me at the cash register I should buy a bottle of Gumout, and empty it into my gas tank the next time I fill up. Now that the tank is almost empty and it's time to use it, I'm getting cold feet.
Any Counsel from the Brickboard Brain Trust?








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    Gumout--in, or out? 850

    posted by  KlausC on  Fri Jul 6 11:36 CST 2012
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    last visit: Fri Oct 24 10:15 CST 2014
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    I guess putting it in your tank is safer than using it to start the barbque. It will not harm anything, but it won't do anything for you either.

    You do need to be using 89 or 91 octane gasoline. The 'regular' grade doesn't contain enough cleaners to keep the valves and injectors clean.
    --
    My name is Klaus and I am a V♂lv♂holic








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      Gumout--in, or out? 850

      uid 53474's pic
      posted by  VTexan on  Fri Jul 6 18:16 CST 2012
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      last visit: Thu Jan 31 13:34 CST 2013
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      I didn't know I should be using 89 or higher octane. Will change my ways.








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        Gumout--in, or out? - use 91 octane 850

        posted by  V7driver on  Sat Jul 7 16:04 CST 2012
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        last visit: Fri Aug 10 20:01 CST 2012
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        Do you have an owner's manual? If no, download a .pfd file and read it, especially the octane requirements. Really, it will run better with the fuel grade that the engine was designed to use, especially considering how we have been cursed with Ethanol all over the USA. As for a fuel additive, if you think your injectors may be a bit crudded up, use Techron or Ventil-Sauber.








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          Gumout--in, or out? - use 91 octane 850

          uid 53474's pic
          posted by  VTexan on  Sat Jul 7 18:05 CST 2012
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          last visit: Thu Jan 31 13:34 CST 2013
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          It came without an owner's manual, but I got one online. It's amazing all the things available online these days. Anyway, I thought I'd read the whole thing, but hadn't.








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            Gumout--in, or out? - use 91 octane 850

            uid 4751's pic
            posted by  MittenHed on  Sat Jul 7 19:07 CST 2012
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            last visit: Thu Oct 23 02:03 CST 2014
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            The local dealer would dump Techron in at each service, so I did too. The late models advise against it. Gumout is for the lawnmower. 91 octane will make a difference. You might like it.
            --
            09 V70, 03 Mini, 06 Camry








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    Gumout--in, or out? 850

    posted by  tmannian on  Thu Jul 5 18:54 CST 2012
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    last visit: Sat Sep 20 10:31 CST 2014
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    I don't use it, but I change my fuel filter every year (around the time FCP puts a decent sale together and I add a fuel filter to my order...) and I only use premium fuel. The detergents in the gas are more than enough to keep the system clean.

    I don't think it will hurt, and since you already bough it, might as well use it.
    --
    If you're not driving it "like its stolen," are you really driving?







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