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#4524511 - 09/24/17 03:53 AM MMO for GDI Engines ?
ChrisD46 Offline


Registered: 09/10/10
Posts: 1902
Loc: GA.
For many GDI engines it may not touch intake valves - any other good for MMO in a GDI engine ?
_________________________
2017 Hyundai Sonata 2.4L GDI 4 cylinder
2010 Hyundai Elantra 2.0L 4 cylinder
2007 Kia Sedona 3.8L 6 cylinder

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#4524522 - 09/24/17 04:39 AM Re: MMO for GDI Engines ? [Re: ChrisD46]
Oro_O Offline


Registered: 09/20/14
Posts: 1351
Loc: Seattle-ish, WA
Yes. All of the other documented benefits besides intake valve cleaning.

Was this actually a not very clever trick question?

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#4524546 - 09/24/17 06:57 AM Re: MMO for GDI Engines ? [Re: ChrisD46]
Donald Offline


Registered: 03/21/04
Posts: 20461
Loc: Upstate NY
Forget MMO.

Use Techron as per directions.
_________________________
2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)


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#4524561 - 09/24/17 07:28 AM Re: MMO for GDI Engines ? [Re: ChrisD46]
JHZR2 Offline



Registered: 12/14/02
Posts: 41789
Loc: New Jersey
Op what are you trying to do? Enhance kubricity for the hpfp?

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#4524575 - 09/24/17 07:55 AM Re: MMO for GDI Engines ? [Re: Oro_O]
kschachn Offline


Registered: 12/26/05
Posts: 9413
Loc: Upper Midwest
Originally Posted By: Oro_O
Yes. All of the other documented benefits besides intake valve cleaning.

I went to the Marvel Mystery Oil website and I couldn't find any documentation on the benefits. I thought it might be under Downloads, but there was only a screensaver and wallpaper available there.

All I could find is a section titled "Marvel Tales" which is apparently a collection of testimonials. Do you have any links? Don't "documented benefits" require documentation?
_________________________
1994 BMW 530i, 227K
1996 Honda Accord, 262K
1999 Toyota Sienna, 394K
2000 Toyota ECHO, 267K

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#4524583 - 09/24/17 08:06 AM Re: MMO for GDI Engines ? [Re: ChrisD46]
demarpaint Offline


Registered: 07/03/05
Posts: 29778
Loc: NY
From what I've seen tearing down engines that have used it, if I owned a GDI engine it would go in every tank of gas. Then I could find out for myself if it works or not in GDI applications. wink
_________________________
God Bless Our Troops


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#4524596 - 09/24/17 08:21 AM Re: MMO for GDI Engines ? [Re: kschachn]
Donald Offline


Registered: 03/21/04
Posts: 20461
Loc: Upstate NY
Originally Posted By: kschachn
Originally Posted By: Oro_O
Yes. All of the other documented benefits besides intake valve cleaning.

I went to the Marvel Mystery Oil website and I couldn't find any documentation on the benefits. I thought it might be under Downloads, but there was only a screensaver and wallpaper available there.

All I could find is a section titled "Marvel Tales" which is apparently a collection of testimonials. Do you have any links? Don't "documented benefits" require documentation?


Your getting into the world of creative marketing. They can document something but not publish it.
_________________________
2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)


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#4524613 - 09/24/17 08:47 AM Re: MMO for GDI Engines ? [Re: ChrisD46]
ChrisD46 Offline


Registered: 09/10/10
Posts: 1902
Loc: GA.
Main concern with using anything but Gumout or Techron in GDI would possibly be the sensitive design of the high pressure fuel injectors ?


Edited by ChrisD46 (09/24/17 08:47 AM)
_________________________
2017 Hyundai Sonata 2.4L GDI 4 cylinder
2010 Hyundai Elantra 2.0L 4 cylinder
2007 Kia Sedona 3.8L 6 cylinder

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#4524647 - 09/24/17 09:32 AM Re: MMO for GDI Engines ? [Re: ChrisD46]
knerml Offline


Registered: 04/05/05
Posts: 480
Loc: NE Ohio
Read your 2017's owners manual.

Recommends using Hyundai fuel system cleaner - which is Techron.
_________________________
2015 Hyundai Elantra Sport 2.0 GDI Mobil 1 5W20 & OEM/Mann W811/80 Filter
2018 Hyundai Santa Fe Sport 2.0T GDI Castrol Edge 5W40 & OEM/Mann W811/80 Filter

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#4524651 - 09/24/17 09:38 AM Re: MMO for GDI Engines ? [Re: ChrisD46]
Yah-Tah-Hey Offline


Registered: 05/26/14
Posts: 3409
Loc: Columbus,Nebraska
TECHRON. Forget about MMO.

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#4524705 - 09/24/17 10:37 AM Re: MMO for GDI Engines ? [Re: knerml]
demarpaint Offline


Registered: 07/03/05
Posts: 29778
Loc: NY
Originally Posted By: knerml
Read your 2017's owners manual.

Recommends using Hyundai fuel system cleaner - which is Techron.


How often do they recommend using it?
_________________________
God Bless Our Troops


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#4524725 - 09/24/17 10:55 AM Re: MMO for GDI Engines ? [Re: ChrisD46]
knerml Offline


Registered: 04/05/05
Posts: 480
Loc: NE Ohio
For my 2015, 7,500mi/12mo if not using top tier fuel
_________________________
2015 Hyundai Elantra Sport 2.0 GDI Mobil 1 5W20 & OEM/Mann W811/80 Filter
2018 Hyundai Santa Fe Sport 2.0T GDI Castrol Edge 5W40 & OEM/Mann W811/80 Filter

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#4524759 - 09/24/17 11:31 AM Re: MMO for GDI Engines ? [Re: ChrisD46]
190E26FTW Offline


Registered: 01/26/11
Posts: 306
Loc: Los Angeles, CA
TEchron works but is slower than I like. I like Redline SL1.....works a lot faster to clean up fuel system.

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#4524762 - 09/24/17 11:34 AM Re: MMO for GDI Engines ? [Re: knerml]
demarpaint Offline


Registered: 07/03/05
Posts: 29778
Loc: NY
Originally Posted By: knerml
For my 2015, 7,500mi/12mo if not using top tier fuel


I'm wondering if a maintenance dose at every tank would be a better approach? Using a cleaner like Red Line's FI cleaner which can be used at a lower concentrate as a maintenance dose product. Techron OTOH doesn't recommend using their product that way. I'd rather keep the problem in check vs. wait 7.5k miles or a year.
_________________________
God Bless Our Troops


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#4524773 - 09/24/17 11:50 AM Re: MMO for GDI Engines ? [Re: ChrisD46]
knerml Offline


Registered: 04/05/05
Posts: 480
Loc: NE Ohio
I use it in all my cars every 6 months, even since Audi recommended it for my 1989 90 Quattro.
_________________________
2015 Hyundai Elantra Sport 2.0 GDI Mobil 1 5W20 & OEM/Mann W811/80 Filter
2018 Hyundai Santa Fe Sport 2.0T GDI Castrol Edge 5W40 & OEM/Mann W811/80 Filter

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