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GDI engines and oil changes #4663667
02/12/18 09:28 AM
02/12/18 09:28 AM
Joined: Jun 2013
Posts: 525
Albany, NY
ford46guy Offline OP
ford46guy  Offline OP
Joined: Jun 2013
Posts: 525
Albany, NY
Good oil and proper OCIs seem critical. My GS350 has a dual injection system (High and low pressure injectors). The high pressure pump is driven off the camshaft. The place that sold it to me said a 5K oci is critical to keeping the car running well. The filled it with PP synth HM and said not to use anything else. I did some research and that seem to be the case.

http://www.underhoodservice.com/7-reasons-direct-injection-high-pressure-fuel-pumps-fail/


95 Tbird V8 240K PP SYNTH ULTRA 5W30
98 MGM 160K M1 HM 5W20
96 Explorer EB V6 159K PP SYNTH HM 5W30
95 Conti 155K MC 5W20
11 GS350 90K PP HM 5W30
Re: GDI engines and oil changes [Re: ford46guy] #4663685
02/12/18 09:42 AM
02/12/18 09:42 AM
Joined: Apr 2005
Posts: 597
NE Ohio
knerml Offline
knerml  Offline
Joined: Apr 2005
Posts: 597
NE Ohio
Very informative. Thank you.


2015 Hyundai Elantra Sport 2.0 GDI Mobil 1 5W20 & OEM/Mann W811/80 Filter
2018 Hyundai Santa Fe Sport 2.0T Castrol Edge 5W40 & OEM/Mann W811/80 Filter
Re: GDI engines and oil changes [Re: ford46guy] #4663743
02/12/18 10:31 AM
02/12/18 10:31 AM
Joined: Apr 2017
Posts: 426
Mississippi
Speak2Mountain Offline
Speak2Mountain  Offline
Joined: Apr 2017
Posts: 426
Mississippi
Thats a good oil I'd stick with. Still, I'd be curious if you could extend that out maybe 2500 miles. I'd do 1 UOA at 5k and see if you could get some more miles on that.

I have a DI Lexus and Blackstone said I was good for about 6.5K-7.0K

Re: GDI engines and oil changes [Re: ford46guy] #4663760
02/12/18 10:40 AM
02/12/18 10:40 AM
Joined: Apr 2012
Posts: 9,830
Kendall, FL
wemay Offline
wemay  Offline
Joined: Apr 2012
Posts: 9,830
Kendall, FL
Nice read, thanks!


18 Sportage 2.4L AWD: Mobil1 Annual Protection 5W20 + Mobil1-104A
13 Santa Fe Sport 2.0T: Pennzoil Platinum 10W-30 + FRAM XG9688

Re: GDI engines and oil changes [Re: ford46guy] #4663762
02/12/18 10:43 AM
02/12/18 10:43 AM
Joined: Jan 2013
Posts: 2,084
Texas
WyrTwister Offline
WyrTwister  Offline
Joined: Jan 2013
Posts: 2,084
Texas
My thought is oil / filter changes are kind of like flushing a toilet . Both dispose of things you do not wish " hanging around " .

Our little Sonic does not have a turbo or GDI ( for which I am glad ) .

I change oil pretty frequently , partially because I wish to try to keep the little oil passages in the cam phaser assembly clean . The cam phaser is an expensive repair I wish to avoid .

Keeping the rest of the inside of the engine as clean as I can , is an additional benefit .


Wyr
God bless
Re: GDI engines and oil changes [Re: ford46guy] #4663878
02/12/18 12:20 PM
02/12/18 12:20 PM
Joined: Jun 2011
Posts: 7,153
Mahzurrah!
KCJeep Offline
KCJeep  Offline
Joined: Jun 2011
Posts: 7,153
Mahzurrah!
That appears to be a part that could actually benefit from one of the high efficiency oil filters as well.


2018 VW Passat GT VR6 - 1k - New FF
12 KIA Sedona 93k - PP HM 10w30
09 Ford Focus 132k - Supertech FS HM 5w30
00 Chev Lumina 203k - Supertech FS HM 5w30
04 Jeep Grand Cherokee gone but not forgotten.

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