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#4669494 - 02/18/18 09:38 AM Gumout Multi System Tune Up + Seafoam usage Q's
RyanGreener Offline


Registered: 02/08/18
Posts: 20
Loc: NJ, USA
Hey everyone. So I have a beater 1999 Accord that I got for free (and sort of don't care about) but I also got these two products for free. Since it has 191k miles right now, I'd like to experiment. I have a container of Seafoam and Gumout Multi System Tune Up and I'm wondering how I should use them. Gumout Multi System Tune Up seems to have similar ingredients to engine flush formulas (cause it has Naptha or something like that in it), as well as PEA. Seafoam seems to be something else. To be honest, I'm not really familiar with these terms and chemistry and I'm just going off some light reading I've done here on these forums. I was thinking of doing the following at the end of this OCI:

1) Gumout Multi System Tune Up in the Oil - Put it all in the oil, run the car for 15 minutes (as on bottle) then drain the oil.
2) Seafoam in the gas tank

Or do you guys think I should switch it up and do Seafoam in the crank case oil (I hear people drive on this for 100 miles or so before changing the oil) and Gumout Multi System Tune Up in the gas tank? Also, if I were to go with the "engine flush" route, would I pour it in when the engine is dead cold, or mildly warm, or right after the oil was at operating temperature? Thanks for the advice!

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#4669515 - 02/18/18 09:52 AM Re: Gumout Multi System Tune Up + Seafoam usage Q's [Re: RyanGreener]
Olas Offline


Registered: 12/11/13
Posts: 3933
Loc: Manchester, England
Split each bottle in half the you can run the test both ways
_________________________
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#4669523 - 02/18/18 10:04 AM Re: Gumout Multi System Tune Up + Seafoam usage Q's [Re: Olas]
khittner Offline


Registered: 07/13/12
Posts: 312
Loc: Michigan
It depends on which system you want to clean--fuel induction and combustion chamber (put it in the fuel), or lubrication system (put it in the oil for whatever time is specified). There are some videos that seem to show that the Gumout cleaner does a decent job of taking some carbon off of piston crowns when used in the fuel, but each to his own variety of "snake oil".

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#4669525 - 02/18/18 10:06 AM Re: Gumout Multi System Tune Up + Seafoam usage Q's [Re: khittner]
RyanGreener Offline


Registered: 02/08/18
Posts: 20
Loc: NJ, USA
Well I mean, I want to do both systems, but I wonder which one is better suited to whichever purpose. You know? I got them for free so I'm not really too worried if they're truly effective, but I figure I want to try based on theories/guesses.

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#4669541 - 02/18/18 10:20 AM Re: Gumout Multi System Tune Up + Seafoam usage Q's [Re: RyanGreener]
khittner Offline


Registered: 07/13/12
Posts: 312
Loc: Michigan
My lubrication systems seem to be clean ehough in most of my cars that additional solvents don't seem to do much, but the Gumout, run through a couple of tanks of my pickup truck's ('95 Dakota, 3.9 liter V-6, 220K miles) fuel system, seems to have eliminated some pinging that I was getting in 4th and 5th gears, so without any borescope evidence, I'm guessing that it did some de-carboning of the pistons.


Edited by khittner (02/18/18 10:23 AM)

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#4669543 - 02/18/18 10:23 AM Re: Gumout Multi System Tune Up + Seafoam usage Q's [Re: RyanGreener]
Linctex Offline


Registered: 12/31/16
Posts: 6148
Loc: Waco, TX
Gumout Multi System Tune Up is really deigned for fuel use, not oil.

Seafoam is just alcohol and mineral oil. I refuse to pay so much $$$ to support that company.
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#4669552 - 02/18/18 10:27 AM Re: Gumout Multi System Tune Up + Seafoam usage Q's [Re: Linctex]
RyanGreener Offline


Registered: 02/08/18
Posts: 20
Loc: NJ, USA
Originally Posted By: Linctex
Gumout Multi System Tune Up is really deigned for fuel use, not oil.

Seafoam is just alcohol and mineral oil. I refuse to pay so much $$$ to support that company.


Well, this settles it. I'll use GMSTU on fuel and seafoam for the crank case. Not sure if I'll do the "few hundred miles" method or just use it as an engine flush.

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#4669602 - 02/18/18 11:02 AM Re: Gumout Multi System Tune Up + Seafoam usage Q's [Re: RyanGreener]
NormanBuntz Offline


Registered: 07/27/13
Posts: 2123
Loc: Outer Banks, NC
Honda recommends against the use of oil additives. I'd use the Seafoam only if you're desperate or if you have a known engine sludge problem. My take is that both products are well suited for the fuel system.
_________________________
2017 Honda Odyssey SE, 14K
2013 Honda Accord LX, 58K
2007 Honda Ridgeline RTS, 86K
2007 Infiniti M35, 104K

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#4669754 - 02/18/18 12:40 PM Re: Gumout Multi System Tune Up + Seafoam usage Q's [Re: RyanGreener]
Rolla07 Offline


Registered: 11/05/11
Posts: 4737
Loc: MTL, CANADA
I wouldnt mix either in engine oil. Run them each on their own in the gas tank one fill after the other.
_________________________
2007 Corolla Red Pearl 155k miles
PP 0w20 & ST 4967


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#4669802 - 02/18/18 01:39 PM Re: Gumout Multi System Tune Up + Seafoam usage Q's [Re: RyanGreener]
RyanGreener Offline


Registered: 02/08/18
Posts: 20
Loc: NJ, USA
Upon second thoughts, I guess they're both going in the gas tanks. Thanks guys.

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#4696539 - 03/16/18 10:09 AM Re: Gumout Multi System Tune Up + Seafoam usage Q's [Re: RyanGreener]
racin4ds Offline


Registered: 05/07/10
Posts: 972
Loc: Ocala, Florida
The Gumout stuff is an excellent fuel system cleaner and has a pretty high amount of PEA from what I hear. I've used it in my OPE and vehicles with decent success. Its my new go-to versus high dollar SeaFoam.
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Just say NO to thin oils and M1!
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