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Delvac 1 5W-40 used in marine engine for ten years #4498789
08/26/17 02:52 PM
08/26/17 02:52 PM
Joined: May 2007
Posts: 612
Indiana
njohnson Offline OP
njohnson  Offline OP
Joined: May 2007
Posts: 612
Indiana
Hi everyone,

Found this video of an engine teardown, Delvac 1 ESP 5W-40 was used.

How does the environment for a marine engine compared to, say, over the road semi-trucks? The engine looks to be in good shape.

Thoughts?

https://www.youtube.com/watch?v=ieFerSypBGc

Last edited by njohnson; 08/26/17 02:53 PM.
Re: Delvac 1 5W-40 used in marine engine for ten years [Re: njohnson] #4498811
08/26/17 03:23 PM
08/26/17 03:23 PM
Joined: Oct 2014
Posts: 12,705
Idaho
CT8 Online content
CT8  Online Content
Joined: Oct 2014
Posts: 12,705
Idaho
Go to commercial marine operations that run gas and high speed diesels and HDEOs are what the operators run.


2015 Ford F150 2.7
2018 Ford F350 6.2
Re: Delvac 1 5W-40 used in marine engine for ten years [Re: CT8] #4498816
08/26/17 03:32 PM
08/26/17 03:32 PM
Joined: Sep 2010
Posts: 7,814
Texas
4WD Offline
4WD  Offline
Joined: Sep 2010
Posts: 7,814
Texas
Well, me thinks that is HDEO ...

Re: Delvac 1 5W-40 used in marine engine for ten years [Re: njohnson] #4498948
08/26/17 07:22 PM
08/26/17 07:22 PM
Joined: Jun 2011
Posts: 1,804
Crawfordville FL
SilverFusion2010 Offline
SilverFusion2010  Offline
Joined: Jun 2011
Posts: 1,804
Crawfordville FL
I would say similar load and rpm, will marine adding the salt factor.


2010 Ford Fusion SE 3.0L V6, 181 miles M1 HM 10w-30
Re: Delvac 1 5W-40 used in marine engine for ten years [Re: njohnson] #4499354
08/27/17 09:48 AM
08/27/17 09:48 AM
Joined: Sep 2015
Posts: 6,114
Kalifornia Kollective
BrocLuno Offline
BrocLuno  Offline
Joined: Sep 2015
Posts: 6,114
Kalifornia Kollective
Very few freezing starts. Most bilges are above 32*F 99% of the time.

Loaded engines with pretty decent cooling (water/water heat exchangers, and oil coolers) running constant RPM for minutes/hours/days at a time. Very seldom overspeeds ...

Race boats are different. If they get "air" they can easily overspeed. That's why off-shore race boats have a throttle man who does that exclusively - keep the RPM in check when they air-out ...


Formerly in marine engineering. In an earlier life I owned my own petroleum tank truck, and hauled for the majors and independent's.
Re: Delvac 1 5W-40 used in marine engine for ten years [Re: SilverFusion2010] #4499387
08/27/17 10:36 AM
08/27/17 10:36 AM
Joined: Sep 2010
Posts: 7,814
Texas
4WD Offline
4WD  Offline
Joined: Sep 2010
Posts: 7,814
Texas
Lots of diesel/electric kit - SCR DC phased out by VFD/AC - big ones run slow speed and 15 TBN marine Dino ... like MobilGard or Castrol MHP ...

Last edited by 4WD; 08/27/17 10:37 AM.

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