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#4726036 - 04/13/18 06:24 PM Which oil for Turbo DI
Brolly Offline


Registered: 11/27/16
Posts: 192
Loc: Oklahoma
Itís coming time for the 18 Accord to get oil changed. Itís the 2.0T I will stay with 0W20 last time I checked I have not been able to find aftermarket oil filters so I will stick with Honda. I see that Mobil 1 seems to be doing a better job at fuel dilution in the 1.5T possibly due to the fact itís lower calcium package. I hear a good amount of boron is good for it also. Maybe Castrol Edge Titanium would be another choice. I will be sending a sample off on this first change. Any other ideas?? Thanks
_________________________
1999 Toyota Camry CE 2.2L
PPHM or PP or PPU
5w-30
223,235

2018 Accord 2.0T Touring
10spd
0w-20

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#4726041 - 04/13/18 06:31 PM Re: Which oil for Turbo DI [Re: Brolly]
benjy Offline


Registered: 08/23/10
Posts: 726
Loc: pa
if money is no issue Redline is prolly the BEST!!

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#4726054 - 04/13/18 06:37 PM Re: Which oil for Turbo DI [Re: Brolly]
oil_film_movies Offline


Registered: 06/13/16
Posts: 2242
Loc: MN
Brolly, I don't think Calcium or Boron has any effect at all on fuel dilution.
You might be thinking of LSPI, which is a particular kind of detonation, of which low-Ca does appear to be what prevents it the best, based on observing newer dexos1 Gen2 and SN+ formulas and various websites on the subject.

If you're having fuel dilution, I'd definitely go to using M1 AFE 0w30 in that, one grade up to counter it. The fuel will bring it down to a 0w20 after a few thousand miles so you'll finish on the thin side of the 0w20 kv100 range.

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#4726061 - 04/13/18 06:50 PM Re: Which oil for Turbo DI [Re: oil_film_movies]
Brolly Offline


Registered: 11/27/16
Posts: 192
Loc: Oklahoma
Originally Posted By: oil_film_movies
Brolly, I don't think Calcium or Boron has any effect at all on fuel dilution.
You might be thinking of LSPI, which is a particular kind of detonation, of which low-Ca does appear to be what prevents it the best, based on observing newer dexos1 Gen2 and SN+ formulas and various websites on the subject.

If you're having fuel dilution, I'd definitely go to using M1 AFE 0w30 in that, one grade up to counter it. The fuel will bring it down to a 0w20 after a few thousand miles so you'll finish on the thin side of the 0w20 kv100 range.


But isnít there a connection between LSPI and fuel dilution? Maybe we should look deeper why are the 1.5T having a fuel dilution problem. Spraying extra fuel to keep it cooler and to lessen the LSPI and therefore causing oil issues or am I misunderstanding? Just a question. My guess will be this 2.0T will have fuel dilution how much is unknown. But I want to prepare for it from the start. I havenít heard any of the Civic Type Rís having fuel dilution so maybe the Accords 2.0T wonít.
_________________________
1999 Toyota Camry CE 2.2L
PPHM or PP or PPU
5w-30
223,235

2018 Accord 2.0T Touring
10spd
0w-20

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#4726071 - 04/13/18 07:01 PM Re: Which oil for Turbo DI [Re: Brolly]
Kage860 Offline


Registered: 04/17/17
Posts: 73
Loc: NY
Turbo engines will have more blowby the piston rings due to the higher pressure. Direct injection is spraying liquid fuel directly into the piston, some of which ends up blowing by into the oil system so its a design issue not an oil issue. Like oil film movies says a thicker oil might keep the oil from thinning out too much.

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#4726086 - 04/13/18 07:08 PM Re: Which oil for Turbo DI [Re: Brolly]
Marco620 Offline


Registered: 02/25/14
Posts: 1962
Loc: Deplorable in KS/ fly over
0w20 Redline
_________________________
2015 Civic (R18Z1) 150k mi PUP 0w20/Ceratec,HPS SRI Intake,87e0 fuel Borla Exhaust/Tein Suspension
Go Nashville Predators!

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#4726135 - 04/13/18 07:38 PM Re: Which oil for Turbo DI [Re: Brolly]
Camprunner Offline


Registered: 02/19/08
Posts: 1004
Loc: MA.
Just go to Wally World and pick up Valvoline full synthetic that is on roleback this month it's more than good enough for your Honda.

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#4726136 - 04/13/18 07:38 PM Re: Which oil for Turbo DI [Re: Brolly]
webfors Offline


Registered: 06/06/06
Posts: 4809
Loc: Great White North.. eh
30 weight.

I would not run a 20 weight in a turbo DI until we see enough UOAs that show some viscosity control.
_________________________
17 Cadillac ATS 2.0T, Bulk D1G2 5w30, UPF64R OF
17 Dodge GC, VWB 5w30, Fram OF
15 DL650, RT6 5w40, OEM OF
Small engines; RT5 10w30

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#4726138 - 04/13/18 07:41 PM Re: Which oil for Turbo DI [Re: webfors]
Camprunner Offline


Registered: 02/19/08
Posts: 1004
Loc: MA.
Originally Posted By: webfors
30 weight.

I would not run a 20 weight in a turbo DI until we see enough UOAs that show some viscosity control.


Yes I totally agree!

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#4726143 - 04/13/18 07:44 PM Re: Which oil for Turbo DI [Re: Brolly]
rooflessVW Offline


Registered: 12/24/11
Posts: 3660
Loc: North Carolina
0W-40.

Go straight to the good stuff and stick with it.
_________________________
"Zed's dead baby, Zed's dead."

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#4726148 - 04/13/18 07:48 PM Re: Which oil for Turbo DI [Re: Camprunner]
PimTac Offline


Registered: 03/04/17
Posts: 3453
Loc: Soviet State of Washington
Originally Posted By: Camprunner
Just go to Wally World and pick up Valvoline full synthetic that is on roleback this month it's more than good enough for your Honda.




Agree with this. Valvoline latest formulation is d1G2 certified and SN+ ready. One thing I would do is run 5w30 because of the turbo. I usually go with the manufacturer recommendations but in this case I personally would not.
_________________________
2017 Mazda CX-5 Grand Touring

Valvoline Advanced Synthetic 0w20
Mobil 1 M108A EP filter


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#4726160 - 04/13/18 07:57 PM Re: Which oil for Turbo DI [Re: PimTac]
parshisa Offline


Registered: 05/21/17
Posts: 367
Loc: TX
Totally agree. Will be running same in my 1.5T. Although running premium gasoline seemed to help a lot with dilution.
_________________________
2016 Honda Pilot 3.5V6 PP 0W20
2017 Honda Civic 1.5T Amsoil SS 5W30

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#4726167 - 04/13/18 08:04 PM Re: Which oil for Turbo DI [Re: PimTac]
Camprunner Offline


Registered: 02/19/08
Posts: 1004
Loc: MA.
Originally Posted By: PimTac
Originally Posted By: Camprunner
Just go to Wally World and pick up Valvoline full synthetic that is on roleback this month it's more than good enough for your Honda.




Agree with this. Valvoline latest formulation is d1G2 certified and SN+ ready. One thing I would do is run 5w30 because of the turbo. I usually go with the manufacturer recommendations but in this case I personally would not.


The way I look at it all Ford Ecoboost motors were upgraded from 20 weight to 30 weight oil and that's enogh reason for me not to play with 20 weight oils with any new turbocharged engine from any make without proof that it is ok from a UOA.

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#4726176 - 04/13/18 08:09 PM Re: Which oil for Turbo DI [Re: Brolly]
oil_film_movies Offline


Registered: 06/13/16
Posts: 2242
Loc: MN
Originally Posted By: Brolly
But isnít there a connection between LSPI and fuel dilution? Maybe we should look deeper why are the 1.5T having a fuel dilution problem. Spraying extra fuel to keep it cooler and to lessen the LSPI and therefore causing oil issues or am I misunderstanding? Just a question. My guess will be this 2.0T will have fuel dilution how much is unknown. But I want to prepare for it from the start. I havenít heard any of the Civic Type Rís having fuel dilution so maybe the Accords 2.0T wonít.

Are you saying the Honda engine would sense LSPI (piezo thingie), and then control to rich to counter? I didn't think engine control strategies did that since it can't reliably guarantee destructive & sudden pre-ignition won't just take out the valves+pistons before control can be applied. LSPI happens that fast.

If that's the case, and Honda does go rich at the first sign of knock, then I see how there could be a connection to the Mobil11 low-Ca, which inhibits LSPI, and the Honda control strategy which goes rich with other high-Ca oils that allow more LSPI.

M1 AFE 0w30 still my choice here. I like the 0w at least matching Honda's 0w recommendation, and the slight edge on visc & oil film thickness with the "30" part when or if fuel dilution rears its ugly head. Also, M1 AFE 0w30 is all dexos1 Gen2 anti-LSPI, timing chain tests, GMOD, etc., good to go.

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#4726182 - 04/13/18 08:17 PM Re: Which oil for Turbo DI [Re: Camprunner]
oil_film_movies Offline


Registered: 06/13/16
Posts: 2242
Loc: MN
Originally Posted By: Camprunner
The way I look at it all Ford Ecoboost motors were upgraded from 20 weight to 30 weight oil and that's enogh reason for me not to play with 20 weight oils with any new turbocharged engine from any make without proof that it is ok from a UOA.
Not all Ecoboost went to 5w30. The smaller ones (1.5T, 1.6T, 1.0T) are 5w20.

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