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Dexos2 for GTDI engines (EcoBoost, GM, etc) #5136803 06/17/19 03:36 PM
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metroplex Offline OP
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Is it feasible to run a Dexos2 oil in 5W-30 or 5W-40 for GTDI engines like Ford EcoBoost or GM's turbo 4 bangers (LTG, LNF, etc...)? Would the Dexos2 offer better stability and protection for timing chains?

Re: Dexos2 for GTDI engines (EcoBoost, GM, etc) [Re: metroplex] #5136836 06/17/19 04:11 PM
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dailydriver Offline
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Which EcoBoost?

The 4 pot ones do not use timing chains. wink

I am running a Dexos 2 spec oil in my 1.6 EB currently.


2016 Ford Fiesta ST 17K miles
Ravenol REP 5W-30
Fram XG3600 filter
Ravenol MTF-2 in the IB6 transaxle
Re: Dexos2 for GTDI engines (EcoBoost, GM, etc) [Re: metroplex] #5136839 06/17/19 04:14 PM
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metroplex Offline OP
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I believe the 2.0 and 2.3 still run timing chains, but I was more interested in the V6's (2.7 and 3.5) as well as GM's LTG and LNF (2.0).

Re: Dexos2 for GTDI engines (EcoBoost, GM, etc) [Re: metroplex] #5136854 06/17/19 04:33 PM
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jbutch Online Content
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Mobil 1 ESP is one of the best oils to run in a 2015+ WRX and 2014+ Forester XT according to all the UOAs i seen.

It's also has low calcium and low saps for lspi and carbon deposits. Also moly, which is good for timing chains.

Unfortunately the formula just changed and it doesn't look as good as the old one.


2015 Forester XT @ 104k km
Current fill: Pennzoil Euro LX 0w-30 with Fram Ultra XG7317
Re: Dexos2 for GTDI engines (EcoBoost, GM, etc) [Re: metroplex] #5136868 06/17/19 04:43 PM
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MParr Offline
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Dexos Schmexos! It doesn’t really matter, as long as it meets Ford specs for the particular Ford product. The 2.0 Ecoboost in my Escape has a timing chain. As for GM, Chrysler, etc., use what the owners manual calls for.


2019 VW Tiguan SE Now: Castrol Professional OE LL IV 0W20 & OE VW/Mann
2017 Ford Escape SE 2.0T Now: Motorcraft 5W30 SynBlend & NAPA Gold 1348
Re: Dexos2 for GTDI engines (EcoBoost, GM, etc) [Re: metroplex] #5136938 06/17/19 05:59 PM
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FA_WRX Offline
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I'm going to try a dexos 2 5w-40 next go around. It's SN rated so should be fine in the WRX.

Last edited by FA_WRX; 06/17/19 06:00 PM.

2015 WRX FA20F
PP 5W30
Napa Gold 100078

Re: Dexos2 for GTDI engines (EcoBoost, GM, etc) [Re: metroplex] #5136985 06/17/19 06:53 PM
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alcyon Offline
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Which spec has a higher HTHS , Dexos 1 or 2 ?


Kyosho Optima Mid SWB, LWB and Lazer ZX
1991 Proton Saga 1.3S SOLD
1989 Toyota Soarer GT Twin Turbo L
1985 Kuwahara Survivor
1992 Robinson Pro
Re: Dexos2 for GTDI engines (EcoBoost, GM, etc) [Re: metroplex] #5137042 06/17/19 07:46 PM
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ARB1977 Offline
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Running Amsoil SS 0W20 in our 1.5LT Honda. I’m not a mad scientist like most folks here, lol.


2015 Tacoma 4.0L 60K (as of 02/23/18)
AMSOIL SS 0W30 / Toyota filter

2018 CRV 1.5L (as of 05/11/18)
Factory fill / Honda filter
Re: Dexos2 for GTDI engines (EcoBoost, GM, etc) [Re: metroplex] #5137049 06/17/19 08:04 PM
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A lot of overthinking on this forum using a DEXOS 2 in a DEXOS 1 is not needed nor can anyone prove it would prolong engine life.


make the inside of your engine oil cap white.
don't use.
Re: Dexos2 for GTDI engines (EcoBoost, GM, etc) [Re: MParr] #5137051 06/17/19 08:08 PM
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Originally Posted by MParr
Dexos Schmexos! It doesn’t really matter, as long as it meets Ford specs for the particular Ford product. The 2.0 Ecoboost in my Escape has a timing chain. As for GM, Chrysler, etc., use what the owners manual calls for.

Perfectly said, check the ford spec. I'm using "synthetic blend" Chevron Supreme 5w30 SN+ in a 2016 Ford Fusion 2.0

Re: Dexos2 for GTDI engines (EcoBoost, GM, etc) [Re: alcyon] #5137061 06/17/19 08:27 PM
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slacktide_bitog Offline
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Originally Posted by metroplex
Is it feasible to run a Dexos2 oil in 5W-30 or 5W-40 for GTDI engines like Ford EcoBoost or GM's turbo 4 bangers (LTG, LNF, etc...)? Would the Dexos2 offer better stability and protection for timing chains?


Yes, you can use dexos2 with no problem. In fact, GM uses dexos2 in Europe for all their cars smile

Originally Posted by alcyon
Which spec has a higher HTHS , Dexos 1 or 2 ?


dexos2 has the higher HTHS. Must be at least 3.5. It also encompasses ACEA C3

Re: Dexos2 for GTDI engines (EcoBoost, GM, etc) [Re: metroplex] #5137083 06/17/19 08:49 PM
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higher viscosity oils protect better at the expense of a 1/4 mpg!!! easy choice for sure. girlfriends new to her kia optima oil cap says 5-20 but owners manual says also 5 or 10 W 30 SN or better, easy choice for sure!!

Re: Dexos2 for GTDI engines (EcoBoost, GM, etc) [Re: metroplex] #5137119 06/17/19 09:45 PM
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Mainia Online Happy
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Chevron Delo XSP 5w-40 it is SN+ rated and appears to UOA better then Rottella T6 from what I have seen and 900 ppm of calcium.

Re: Dexos2 for GTDI engines (EcoBoost, GM, etc) [Re: slacktide_bitog] #5137272 06/18/19 06:09 AM
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Originally Posted by slacktide_bitog

Yes, you can use dexos2 with no problem. In fact, GM uses dexos2 in Europe for all their cars smile

This is just plain not true...I couldn't find the actual bulletin referenced here, but I have no reason to doubt this content from an Astra forum.
"Bulletin just been released by Vauxhall advising that for Turbocharged Direct Injection Engines there is a certain risk for Stochastic Pre Ignition (SPI). This SPI causes strong pressure peaks in the combustion chamber which may harm the piston ring lands.
Fault:
Sporadic metallic noise from combustion chamber, sometimes with short loss of power. Occasionally fault code 'P0300 Engine Misfire' is stored but not all the time. Engine Light might not even come on when power loss suffered. This may be the source of the engine splutter / short loss of power people are experiencing in 1.4 Turbo.
Affected Models:
Amongst the affected models are the two versions of the 1.4 Turbo in the Astra K (B14XFL/T RPO code LE1 and LE2). I have the 150ps 1.4 Turbo Astra K which is RPO code LE2.
Resolution:
Vauxhall/Opel/GM have developed a new engine Oil - Dexos 1, Generation 2 to reduce the risk of this fault happening. This new Oil is essential to be used for Astra K 1.4 Turbo. However up until this point only Dexos 2 has been available. The new Oil will be released in the final week of April 2017. The part number is: 95599877 which comes in a 5 litre container, larger sizes will be available at a later date. Model Year 2017 cars are shipped with the new oil in already. "
I have seen other references on this site about d1G2 being specified in Europe...supposedly, dexos2 will be updated with an LSPI test at some point.


2014 Forester XT, 105000 miles
Last Change;
PP 5w30 d1G2
Tokyo Roki 15208AA170 filter
Re: Dexos2 for GTDI engines (EcoBoost, GM, etc) [Re: benjy] #5137290 06/18/19 06:38 AM
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Originally Posted by benjy
higher viscosity oils protect better at the expense of a 1/4 mpg!!! easy choice for sure. girlfriends new to her kia optima oil cap says 5-20 but owners manual says also 5 or 10 W 30 SN or better, easy choice for sure!!



More accurate statement higher viscosity oils allow a larger margin of error. If oil temperature does not exceed beyond the chemical and lubercant boundary it does not matter. For most of the vehicles on the road this weekend s the case.


make the inside of your engine oil cap white.
don't use.
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