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Mobil Delvac 5w40 - 10 Yr Engine Tear Down #4580722
11/21/17 07:35 AM
11/21/17 07:35 AM
Joined: Aug 2008
Posts: 18,393
Ontario, Canada
StevieC Online content OP
StevieC  Online Content OP
Joined: Aug 2008
Posts: 18,393
Ontario, Canada


'18 Highlander - AMSOIL SS 0w20 / ATF / Severe Gear
'06 Santa Fe - 535,000km AMSOIL SS 0w30 / ATF (R.I.P)
Re: Mobil Delvac 5w40 - 10 Yr Engine Tear Down [Re: StevieC] #4580732
11/21/17 07:52 AM
11/21/17 07:52 AM
Joined: Feb 2003
Posts: 7,426
Jupiter, Florida
Cujet Offline
Cujet  Offline
Joined: Feb 2003
Posts: 7,426
Jupiter, Florida
It's fantastic oil, and works incredibly well in gas engines also.

Last edited by Cujet; 11/21/17 07:57 AM.

People who count on their fingers should maintain a discreet silence.
Re: Mobil Delvac 5w40 - 10 Yr Engine Tear Down [Re: StevieC] #4580735
11/21/17 07:59 AM
11/21/17 07:59 AM
Joined: Aug 2008
Posts: 18,393
Ontario, Canada
StevieC Online content OP
StevieC  Online Content OP
Joined: Aug 2008
Posts: 18,393
Ontario, Canada
Mobil does have great products. grin2


'18 Highlander - AMSOIL SS 0w20 / ATF / Severe Gear
'06 Santa Fe - 535,000km AMSOIL SS 0w30 / ATF (R.I.P)
Re: Mobil Delvac 5w40 - 10 Yr Engine Tear Down [Re: StevieC] #4580780
11/21/17 08:56 AM
11/21/17 08:56 AM
Joined: Jan 2017
Posts: 174
Michigan
64bawagon Offline
64bawagon  Offline
Joined: Jan 2017
Posts: 174
Michigan
Note the Baldwin filters also.


05 Duramax Chevy(SOLD), 64 Chevy wagon, 10 Jeep Wrangler, 17 Equinox (rental), 18 Silverado 1/2 ton
Re: Mobil Delvac 5w40 - 10 Yr Engine Tear Down [Re: StevieC] #4580828
11/21/17 09:58 AM
11/21/17 09:58 AM
Joined: Oct 2017
Posts: 201
A Highway Near You
PiperOne Offline
PiperOne  Offline
Joined: Oct 2017
Posts: 201
A Highway Near You
Great video! It's amazing how far oils and engines have come. I can remember when doing bearing rolls in truck engines was common after 250,000 miles...and 10,000 hrs was considered "good" life from an off road engine. Only ever had experience with one KTA-38 Cummins...in a standby gen-set. Oil samples were awful but it's a tough life going from engine off to engine full rpm full load in less than a second.


HDEO in Diesel Engines. No spark plugs here.
Re: Mobil Delvac 5w40 - 10 Yr Engine Tear Down [Re: StevieC] #4580845
11/21/17 10:19 AM
11/21/17 10:19 AM
Joined: Apr 2007
Posts: 2,829
WI.
dblshock Offline
dblshock  Offline
Joined: Apr 2007
Posts: 2,829
WI.
probably similar to 15k mi. OCI's by my calc....this formula has changed recently to the CK designation.


16 Civic Coupe Touring 33k
640:1 TCW-3 E091
Edge 0/40 XG7317
Firehawk Indy 500

06 4Runner SR5 141k
640:1 TCW-3
M1 0/40 XG3614
Falken Wildpeak AT3W
Re: Mobil Delvac 5w40 - 10 Yr Engine Tear Down [Re: StevieC] #4580882
11/21/17 11:08 AM
11/21/17 11:08 AM
Joined: Oct 2004
Posts: 7,968
Cincinnati, OH, USA
bullwinkle Offline
bullwinkle  Offline
Joined: Oct 2004
Posts: 7,968
Cincinnati, OH, USA
That's what I run in my Cummins Ram in my sig. Combined with Fleetguard Venturi Stratapore filters, I'm sure the engine will easily outlive me, and the Dodge truck it's installed in!


06 Ram 3500 CTD 4X4(FG Venturi), 93 GMC C3500 6.2, 89 F-450 7.3, 98 XJ 4.0(XG8A), 05 xB(XG3600), 18 Transit 3.7, 03 Merc Grand Marquis 4.6 2V(XG2)
Re: Mobil Delvac 5w40 - 10 Yr Engine Tear Down [Re: dblshock] #4580891
11/21/17 11:26 AM
11/21/17 11:26 AM
Joined: May 2016
Posts: 338
Michigan, USA
Bighorn2500 Offline
Bighorn2500  Offline
Joined: May 2016
Posts: 338
Michigan, USA
Originally Posted By: dblshock
probably similar to 15k mi. OCI's by my calc....this formula has changed recently to the CK designation.


Would like to see the what the CK-4 version VOA looks like, running out of my CJ-4 stash.


2012 Ram 2500 SLT 6.7L Cummins 4x4
2015 Jeep Cherokee 3.2L Latitude 4x4
Re: Mobil Delvac 5w40 - 10 Yr Engine Tear Down [Re: StevieC] #4580895
11/21/17 11:29 AM
11/21/17 11:29 AM
Joined: Dec 2016
Posts: 6,226
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 6,226
Waco, TX
ESP?!?!?!?!

That's for emissions system protection - Low SAPS, correct?


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Mobil Delvac 5w40 - 10 Yr Engine Tear Down [Re: StevieC] #4580896
11/21/17 11:29 AM
11/21/17 11:29 AM
Joined: Sep 2009
Posts: 325
Rockies
Scdevon Offline
Scdevon  Offline
Joined: Sep 2009
Posts: 325
Rockies
"Balanced additive formulation".
No doubt there is a VOA somewhere on this oil and I'm sure it has a healthy additive package. Probably has roller cam followers although all you could see in the video were roller rockers. Not to take anything away from the oil, but this engine rarely gets cold started I'm guessing in a commercial marine environment and probably lives most of its life at stable operating temps. This is a huge difference from running errands in a diesel pickup truck or even normal civilian driving in a diesel pickup.

Marine environments are also dust and dirt free by nature. Shouldn't make a difference with proper air filtering, but in the real world, some dirt always seems to get past the filter in, say, a construction or mining environment vs a marine installation. Great teardown, though and it was totally unnecessary on this engine other than to have a "peek" inside.


2003 Mustang Mach 1. 32V 4.6 Liter. Motorcraft Syn Blend 5W30
1970 Mustang Convertible 302-2V Auto (Stock) M/C 10W30
1970 VW Beetle 1600 DP
Re: Mobil Delvac 5w40 - 10 Yr Engine Tear Down [Re: PiperOne] #4580897
11/21/17 11:31 AM
11/21/17 11:31 AM
Joined: Dec 2016
Posts: 6,226
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 6,226
Waco, TX
Originally Posted By: PiperOne
...and 10,000 hrs was considered "good" life from an off road engine. Only ever had experience with one KTA-38 Cummins...in a standby gen-set.


I know of a Kubota D905 spinning a Marathon 6KW head 24/7/365 at a remote signals outpost for the DOD.

23,000 hours last time I saw it - never been apart.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Mobil Delvac 5w40 - 10 Yr Engine Tear Down [Re: PiperOne] #4580919
11/21/17 11:52 AM
11/21/17 11:52 AM
Joined: Aug 2008
Posts: 18,393
Ontario, Canada
StevieC Online content OP
StevieC  Online Content OP
Joined: Aug 2008
Posts: 18,393
Ontario, Canada
Originally Posted By: PiperOne
Great video! It's amazing how far oils and engines have come. I can remember when doing bearing rolls in truck engines was common after 250,000 miles...and 10,000 hrs was considered "good" life from an off road engine. Only ever had experience with one KTA-38 Cummins...in a standby gen-set. Oil samples were awful but it's a tough life going from engine off to engine full rpm full load in less than a second.


My dad used to do Journal bearings on the regular in the late 1960' / early 1970's. Oh and don't forget valve jobs every 60,000. grin2


'18 Highlander - AMSOIL SS 0w20 / ATF / Severe Gear
'06 Santa Fe - 535,000km AMSOIL SS 0w30 / ATF (R.I.P)
Re: Mobil Delvac 5w40 - 10 Yr Engine Tear Down [Re: StevieC] #4581064
11/21/17 02:35 PM
11/21/17 02:35 PM
Joined: Feb 2010
Posts: 1,623
Imperial Valley, California
Jeffs2006EvoIX Offline
Jeffs2006EvoIX  Offline
Joined: Feb 2010
Posts: 1,623
Imperial Valley, California
This may sound stupid, but if the engine was in such great shape....what was the purpose of the rebuild? Im kinda confused there. Are these mandated by someone?

Just curious.


Jeff


"You don't have to be crazy to do this... But it helps." Bob Ross.
Re: Mobil Delvac 5w40 - 10 Yr Engine Tear Down [Re: Jeffs2006EvoIX] #4581155
11/21/17 04:41 PM
11/21/17 04:41 PM
Joined: Sep 2009
Posts: 325
Rockies
Scdevon Offline
Scdevon  Offline
Joined: Sep 2009
Posts: 325
Rockies
Originally Posted By: Jeffs2006EvoIX
This may sound stupid, but if the engine was in such great shape....what was the purpose of the rebuild? Im kinda confused there. Are these mandated by someone?

Jeff


Hard to say for sure, but this seems more like an infomercial for Mobil and I'm sure they have a certain amount of money in their R&D and advertising budgets for some sponsored real world field testing like this. They went out of their way to say that the initial fill in this engine was Delvac plus all other oil changes. If the results of the teardown were less than spectacular, they'd be under no obligation to show the public.

There's no agency in the U.S. that mandates periodic overhauls and inspection of commercial marine engines that I know of. This engine is obviously out of a river tug.


2003 Mustang Mach 1. 32V 4.6 Liter. Motorcraft Syn Blend 5W30
1970 Mustang Convertible 302-2V Auto (Stock) M/C 10W30
1970 VW Beetle 1600 DP
Re: Mobil Delvac 5w40 - 10 Yr Engine Tear Down [Re: StevieC] #4581221
11/21/17 06:16 PM
11/21/17 06:16 PM
Joined: Apr 2008
Posts: 37,110
Ontario, Canada
OVERKILL Offline
OVERKILL  Offline
Joined: Apr 2008
Posts: 37,110
Ontario, Canada
Reminds me of Doug Hillary's experience with Delvac 1 and his million Km tear-down results posted on here some time back.


2018 RAM 1500 Big Horn EcoDiesel
2016 Grand Cherokee SRT
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