Gum Out one-n-done works!!!!? - TerrainForum.net: GMC Terrain Forum
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post #1 of 16 (permalink) Old 02-24-2018, 02:11 PM Thread Starter
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Gum Out one-n-done works!!!!?

High guys.
I'm always sceptical of snake oils

Seen this thread on bob is the oil guy started by one of their writers and moderators.
https://www.bobistheoilguy.com/forum...th#Post4558687
There are some other write-ups about that test too.

Couple of months ago, I did a compression test.
Seen that my piston tops were completely covered with carbon again. It had been only a few months ssince the new pistons and rings...

Thought I would try the Gum Out One-N-Done.
I was going through one bottle in the tank when I dis a leak leakdown test. I noticed that there were flakes of carbon missing.

Now I did replace my MAF sensor shortly after this which corrected a 6% - 9% positive fuel trim.

Anyway, i proceeded to use another bottle of One-N-Done.
When that tank was used up, I pulled the plugs to look again.
I have attached the pictures of what I seen.
I was stunned.

Sorry, I don't have pre usage pictures.
Attached Images
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File Type: jpg 20180215_165011.jpg (249.1 KB, 72 views)
File Type: jpg 20180215_165244.jpg (152.7 KB, 55 views)
File Type: jpg 20180215_164758.jpg (226.3 KB, 48 views)

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post #2 of 16 (permalink) Old 02-24-2018, 07:19 PM
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Originally Posted by New to the Nox View Post

Great testimony for Kentucky - One 'n done !

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post #3 of 16 (permalink) Old 02-24-2018, 09:55 PM Thread Starter
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Great testimony for Kentucky - One 'n done !
9

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post #4 of 16 (permalink) Old 02-25-2018, 05:48 AM
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Just a question . . why is there so much oil or something around one of the spark plug holes?
It's the #2 picture.

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post #5 of 16 (permalink) Old 02-25-2018, 10:09 AM Thread Starter
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Just a question . . why is there so much oil or something around one of the spark plug holes?
It's the #2 picture.
Good question.
Oil dropped off the cam selenoids when I changed them out.
Forgot to mention those on my list of things I have done :-)

I changed them out because I figured with all the oil burning it did before it might be a good idea. Dealer never changed them when they did the rebuild.

All it did was empty my wallet a little.
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post #6 of 16 (permalink) Old 02-25-2018, 11:40 AM
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Originally Posted by New to the Nox View Post
Good question.
Oil dropped off the cam selenoids when I changed them out.
Forgot to mention those on my list of things I have done :-)

I changed them out because I figured with all the oil burning it did before it might be a good idea. Dealer never changed them when they did the rebuild.

All it did was empty my wallet a little.
I see. . good idea to change them. The cost is low enough these days. I put a pair in daughters 2009 Saturn Aura awhile ago that we bought on Amazon for $35 a pair. And those weren't the really cheap ones.
Her car was getting a DTC though. Her car has 92,000 miles and the screens were still in tact, but pretty varnised up.

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post #7 of 16 (permalink) Old 02-25-2018, 02:08 PM Thread Starter
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Same here. OEM off Amazon for about $37 each.

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post #8 of 16 (permalink) Old 02-26-2018, 08:32 AM
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Doesn't the Gumout have PEA in it? I thought I saw that on the label. PEA is supposedly the best cleaning additive, I guess it's a matter of it's concentration in each brand. Corp. secrets prevail.

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post #9 of 16 (permalink) Old 02-26-2018, 09:41 AM Thread Starter
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Doesn't the Gumout have PEA in it? I thought I saw that on the label. PEA is supposedly the best cleaning additive, I guess it's a matter of it's concentration in each brand. Corp. secrets prevail.
Yes, PEA is best. It has qualities that prevent it from being "evaporated" by the combustion....or something like that. So some cleaners can clean the injectors but may cause, or at leasr not help, carbon build up on pistons.

I have also read that not all PEA are created equal. That they can alter the PEA compound slightly.


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post #10 of 16 (permalink) Old 03-13-2018, 11:55 AM
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Tried this on my 2014 Equinox with a misfire on startup after a cold soak. Also seemed kinda 'doggy' when accelerating around 35-40mph (like it really didn't wanna go.) I am just under 1/2 a tank now (220miles) - And I am surprised at how well it works. The car actually accelerates good, and the misfiring is MUCH better. You can now just barely hear it, before it would shake the car at times. - Dad and I are going to do the CRC spray in the spring. Thanks to New to Nox for his report
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