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#4654989 - 02/03/18 03:03 PM An article for us DI/GDI owners
Speak2Mountain Offline


Registered: 04/07/17
Posts: 346
Loc: Mississippi

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#4655017 - 02/03/18 03:37 PM Re: An article for us DI/GDI owners [Re: Speak2Mountain]
UberArchetype Offline


Registered: 07/13/17
Posts: 105
Loc: CO
Good read. I did not know coking up the intake and valves was happening at such low mileage.

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#4655028 - 02/03/18 03:47 PM Re: An article for us DI/GDI owners [Re: UberArchetype]
Speak2Mountain Offline


Registered: 04/07/17
Posts: 346
Loc: Mississippi
I didn't either. Makes me rethink my choice of lighter oils

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#4655037 - 02/03/18 04:01 PM Re: An article for us DI/GDI owners [Re: Speak2Mountain]
MrHorspwer Offline


Registered: 12/18/06
Posts: 1420
Loc: Michigan
Call me a skeptic, but...

A guy who runs an auto shop in a town of less than 2,000 is now an expert on the following:

Why auto manufacturers are migrating to smaller engines - The gubbermint.
Why Ford is better at GDI - They ran the EcoBoost V6 at Baja.
Why GM isn't good at GDI - They test their GDI engines at road courses, which has a lot of WOT and doesn't translate to the real world.
What causes LSPI - Fuel injection doesn't have an "accelerator pump" function and this causes bits of carbon to flake.

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#4655042 - 02/03/18 04:03 PM Re: An article for us DI/GDI owners [Re: Speak2Mountain]
eyeofthetiger Offline


Registered: 11/18/17
Posts: 683
Loc: South Carolina
I don't like some of the generalizations that guy made, but I get his point. I do plan on using an intake valve cleaning product. It can work as a preventative, but not a cure for a trashed engine
I always avoid lugging my little Ecoboost engine, and I will stick to a 5,000 mile OCI on full synthetic. The PCV system seems adequate to me. I'll see what happens.
_________________________
2017 Ford Fiesta 1.0T - Valvoline SynPower 5W-20, Motorcraft FL910S
1988 GMC K1500 4.3/700R4 - Supertech 15W-40, Fram TG3980
1986 Ford Ranger 2.0 - uhh

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#4655180 - 02/03/18 07:00 PM Re: An article for us DI/GDI owners [Re: MrHorspwer]
Y_K Offline


Registered: 05/29/09
Posts: 2144
Loc: WA (USA)
Originally Posted By: MrHorspwer
Call me a skeptic, but...

A guy who runs an auto shop in a town of less than 2,000 is now an expert on the following:


So, the town size is the differentiator of whether you are intelligent or dumb?

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#4655193 - 02/03/18 07:14 PM Re: An article for us DI/GDI owners [Re: Speak2Mountain]
AZjeff Offline


Registered: 01/14/11
Posts: 2630
Loc: PV Az
So are the "coking" problems worse with turbocharged engines? The author seems to be going that way early in the article.
_________________________
86 Samurai 1.3 leftovers
14 RAV4 2.5 5W-20 PP *gasp*
16 Silverado 1500 4.3 Ecotec3, DI, AFM 5W-30 PP

Why know when you can guess?!


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#4655196 - 02/03/18 07:16 PM Re: An article for us DI/GDI owners [Re: Speak2Mountain]
double vanos Offline


Registered: 08/05/04
Posts: 1884
Loc: 5600 feet elevation, Arizona
Wow. My EB F150 just turned 113k miles and seems to run just fine. I guess I better start saving some money to overhaul the top end. I wonder if KJSmith had to do anything to his high mileage F150s.....
_________________________
Sabine Schmitz is the Queen of the 'Ring; Svetlana Kapanina is the Queen of the SKIES...

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#4655216 - 02/03/18 07:39 PM Re: An article for us DI/GDI owners [Re: Speak2Mountain]
MCompact Offline


Registered: 07/21/02
Posts: 4110
Loc: KY
My Mazdaspeed 3 was running great at 158k when I flipped it for the 2er; I never touched the intake or the intake valves.
_________________________
Mine:
2014 M235i
1999 Wrangler Sahara
1995 318ti Club Sport

Wife's:
2016 i3 REX
2009 Cooper Clubman

Son's
2009 328i

Buy what makes you smile...

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