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Engine Rebuilder's view of GDI intake issues #4878613 09/25/18 10:09 AM
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Brigadier Offline OP
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Last edited by MolaKule; 01/15/20 02:30 PM.
Re: Enginer rebuilder's view of GDI intake issues [Re: Brigadier] #4878633 09/25/18 10:26 AM
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BMWTurboDzl Offline
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Cliff Notes: Don't buy GM.


“It took untold generations to get you where you are. A little gratitude might be in order. If you’re going to insist on bending the world to your way, you better have your reasons.”

435i
Re: Enginer rebuilder's view of GDI intake issues [Re: Brigadier] #4878634 09/25/18 10:26 AM
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Miller88 Offline
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People really hate DI , don't they?


18 Forester 2.5I 6M
00 Jeep XJ
01 F-350 4x4 5M
Re: Enginer rebuilder's view of GDI intake issues [Re: Brigadier] #4878639 09/25/18 10:28 AM
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wemay Offline
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I guess i've been lucky with the 6 i've owned.


2019 VW Passat Wolfsburg TSI - Castrol Edge Professional LL IV FE 0W-20, OEM
2013 Hyundai Santa Fe Sport 2.0T - Mobil1 Annual Protection 5W30, M1-104
Re: Enginer rebuilder's view of GDI intake issues [Re: Brigadier] #4878641 09/25/18 10:30 AM
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WyrTwister Offline
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6 gas DI cars ?


Wyr
God bless
Re: Enginer rebuilder's view of GDI intake issues [Re: wemay] #4878651 09/25/18 10:37 AM
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gathermewool Offline
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Originally Posted by wemay
I guess i've been lucky with the 6 i've owned.


What is the highest mileage of the 6?


14 Forester XT Touring FA20DIT (Cobb Stage 1)
Castrol Magnatec 5W-30 D1G2 + FU filter (72,320mi, 8/24/19)
15 Legacy Premium FB25
Magnatec 5W-20 + FU filter (47,300mi, 5/11/19)
Re: Enginer rebuilder's view of GDI intake issues [Re: Brigadier] #4878667 09/25/18 10:44 AM
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StevieC Offline
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The reason there is hate for DI is because some OE's do it well and others not so much, there was also the first generation that ironed out all the bugs using their customers as guinea pigs. Ford/Mazda for example have excellent control of their DI systems. Other OE's are anywhere between just requiring more maintenance to being absolute nightmares.

You will ALWAYS hear the bad but seldom we hear the good. Similar happens with folks afraid of flying even though you are more likely to die in a car crash. We hear about every plane crash, we don't hear about every car crash. PERSPECTIVE. wink

Last edited by StevieC; 09/25/18 10:47 AM.

'18 Caravan - 48k KM - AMSOIL SS 0w20, Fram Ultra, TC-W3 500:1
'06 Santa Fe - 535k KM (Retired)

There is no such thing as "lifetime" fluids! mad
Re: Enginer rebuilder's view of GDI intake issues [Re: Brigadier] #4878671 09/25/18 10:48 AM
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Posts: 11,678
wemay Offline
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I kept three past 100K miles.
GDI deposits typically start showing drivability issues around 30K miles:

2013 Santa Fe 2.0T - 118K miles (wife's current vehicle)
2001 Audi A4 1.8T - 180K miles (bought with 75K miles)
2008 GTI - 105K miles (bought with 60K miles)

The things that have remained constant to this day are:

Oil changes no longer than 5K miles.
Top Tier gas




Last edited by wemay; 09/25/18 10:58 AM.

2019 VW Passat Wolfsburg TSI - Castrol Edge Professional LL IV FE 0W-20, OEM
2013 Hyundai Santa Fe Sport 2.0T - Mobil1 Annual Protection 5W30, M1-104
Re: Enginer rebuilder's view of GDI intake issues [Re: Brigadier] #4878680 09/25/18 10:52 AM
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OVERKILL Offline
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Interesting read, thanks for the share.


2019 RAM 1500 Sport - Mobil 1 EP 0w-20, FRAM Ultra
2020 Grand Cherokee SRT - Ravenol SSL 0w-40, FRAM Ultra
Re: Enginer rebuilder's view of GDI intake issues [Re: Brigadier] #4878686 09/25/18 10:55 AM
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MCompact Offline
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My DI MS3 was running fine at eight years and 158k miles when I flipped it for Horror of Horrors!!!-a 2014 M235i- another GDI turbo. Oh the humanity!
Then there's my wife's Clubman, which has a 1.6 liter GDI motor as well; it's running great at 112k miles...


Mine:
2014 M235i
2009 Cooper Clubman
1999 Wrangler Sahara
1995 318ti Club Sport

Wife's:
2015 X1 xDrive28i M Sport


Son's
2009 328i

Buy what makes you smile...
Re: Enginer rebuilder's view of GDI intake issues [Re: Brigadier] #4878691 09/25/18 10:59 AM
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racin4ds Offline
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He doesn't even mention the massive rate of turbocharger failure when these chunks of carbon begin flaking off and getting spit out through that tiny turbine wheel spinning 100,000 rpm... We began seeing a lot of early failures on several different makes and brands of turbos at my last place of employment in the turbocharger rebuilding industry.

Pallets and pallets of Eco-Boost turbos as well as the GM and VAG stuff. Coincidentally most all were GDI...


Just say NO to thin oils and M1!
05 F350 Powerstroke
05 Hyundai Tucson
08 Legacy GT
Re: Enginer rebuilder's view of GDI intake issues [Re: Brigadier] #4878702 09/25/18 11:07 AM
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28oz Offline
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Interesting read. Thanks!


-----------------
1990 Nissan 300zx VG30DE - M1 EP 10W-30
2004 Nissan Quest VQ35DE - M1 EP 10W-30
2003 Ford Excursion 7.3 PSD - Rotella T6 5W-40
2005 Ford Taurus 3.0 Vulcan - Havoline HM 5W-20
Re: Enginer rebuilder's view of GDI intake issues [Re: Brigadier] #4878724 09/25/18 11:23 AM
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Brigadier Offline OP
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It reinforces my belief that GDI and long OCIs don't play well together.

Re: Enginer rebuilder's view of GDI intake issues [Re: Brigadier] #4878736 09/25/18 11:33 AM
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SubieRubyRoo Offline
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Or that GDI and turbos don't play well together...


De omnibus dubitandum.
Re: Enginer rebuilder's view of GDI intake issues [Re: racin4ds] #4878829 09/25/18 01:22 PM
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NateDN10 Offline
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Originally Posted by racin4ds
He doesn't even mention the massive rate of turbocharger failure when these chunks of carbon begin flaking off and getting spit out through that tiny turbine wheel spinning 100,000 rpm... We began seeing a lot of early failures on several different makes and brands of turbos at my last place of employment in the turbocharger rebuilding industry.

Pallets and pallets of Eco-Boost turbos as well as the GM and VAG stuff. Coincidentally most all were GDI...

It's not a coincidence. There are far more GDI turbos than port-injected, so of course you'd expect most of the failures also to be GDI.
https://en.wikipedia.org/wiki/Sampling_bias


2016 Mazda3 - 20,000 mi.
2011 Toyota Sienna - 100,000 mi.
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