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Cold running modern diesels... #4438221
06/22/17 05:29 AM
06/22/17 05:29 AM
Joined: Dec 2002
Posts: 41,513
'Stralia
Shannow Offline OP
Shannow  Offline OP
Joined: Dec 2002
Posts: 41,513
'Stralia
My new VM 2.8 (Duramax 2.8) in the Colorado only ever gets to 78C "engine temperature"..., and most I've been able to push it to is 81C, with a rapid recovery back to 78.

Find it interesting, as obviously the Dexos 2 oil is running a loooong way from what most of us consider "normal" for a 3.5+ HTHS oil.

Find it interesting on the ability to boil off water and unburned fuel.

Pretty sure that it's a NOx control (Oz Duramx 2.8 has nowehere to add blue), but it's really low compared to where I'm used to.

Re: Cold running modern diesels... [Re: Shannow] #4438222
06/22/17 05:30 AM
06/22/17 05:30 AM
Joined: Dec 2002
Posts: 41,513
'Stralia
Shannow Offline OP
Shannow  Offline OP
Joined: Dec 2002
Posts: 41,513
'Stralia
170-175F

Re: Cold running modern diesels... [Re: Shannow] #4438223
06/22/17 05:34 AM
06/22/17 05:34 AM
Joined: Dec 2009
Posts: 26,177
Regina, Saskatchewan, Canada
Garak Offline
Garak  Offline
Joined: Dec 2009
Posts: 26,177
Regina, Saskatchewan, Canada
Yep, that's not quite what I'd be expecting. 78 C isn't terribly cool, at least by older standards, but it's not what I expect these days.


Plain, simple Garak.

2008 Infiniti G37 - Shell ROTELLA T6 Multi-Vehicle 5w-30, NAPA Gold 7356
1984 F-150 4.9L - Quaker State GB 10w-30, Wix 51515
Re: Cold running modern diesels... [Re: Shannow] #4438227
06/22/17 05:41 AM
06/22/17 05:41 AM
Joined: Jun 2003
Posts: 2,767
BC, Canada
userfriendly Offline
userfriendly  Offline
Joined: Jun 2003
Posts: 2,767
BC, Canada
The 6.6s are cold blooded too. To get mine warmed enough to start dropping oil pressure, I have to climb a 13% grade for 10 minutes. DEF use is typically 1L/1000km and the tank hold 28L I'm told.

To avoid DPF issues, I stopped using the fuel tank as a recycle depot to get rid of stale dated 2-stroke, engine oil, hydraulic and transmission fluids.

Re: Cold running modern diesels... [Re: Shannow] #4438240
06/22/17 06:15 AM
06/22/17 06:15 AM
Joined: Aug 2012
Posts: 1,307
TN
MinamiKotaro Offline
MinamiKotaro  Offline
Joined: Aug 2012
Posts: 1,307
TN
Not just diesels. I've noticed a few Hondas and a Mercedes or two have ~170F thermostats.


1967 VW Beetle: Delo 15w40/ST4386
2004 Saturn Ion: Magnatec 5w30/DW5436
2014 Polaris Ranger 570: Delo 5-40/Wix 51356
Re: Cold running modern diesels... [Re: Shannow] #4438246
06/22/17 06:18 AM
06/22/17 06:18 AM
Joined: Oct 2002
Posts: 36,591
Great Lakes
Quattro Pete Offline
Quattro Pete  Offline
Joined: Oct 2002
Posts: 36,591
Great Lakes
Originally Posted By: Shannow
My new VM 2.8 (Duramax 2.8) in the Colorado only ever gets to 78C "engine temperature"...,

Isn't "engine temperature" coolant temp? If so, then what is the oil temp?


'02 530i (Edge 0W-40)
'15 Q5 3.0T (Edge 5W-40)
'18 Charger SRT (PUP 0W-40 SRT)
Re: Cold running modern diesels... [Re: userfriendly] #4438273
06/22/17 06:47 AM
06/22/17 06:47 AM
Joined: Dec 2016
Posts: 7,109
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 7,109
Waco, TX
Originally Posted By: userfriendly

To avoid DPF issues, I stopped using the fuel tank as a recycle depot to get rid of stale dated 2-stroke, engine oil, hydraulic and transmission fluids.


Everything in moderation!

My old International 7.3 IDI (pre-Powerstroke) gets a steady diet of various above mentioned fluids.


"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: Cold running modern diesels... [Re: Quattro Pete] #4438274
06/22/17 06:48 AM
06/22/17 06:48 AM
Joined: Dec 2016
Posts: 7,109
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 7,109
Waco, TX
Originally Posted By: Quattro Pete

Isn't "engine temperature" coolant temp? If so, then what is the oil temp?


If there are "under piston spray jets" - then the oil will exceed 100*C at some point, just maybe not the entire sump at one time.


"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: Cold running modern diesels... [Re: Shannow] #4438275
06/22/17 06:50 AM
06/22/17 06:50 AM
Joined: Dec 2016
Posts: 7,109
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 7,109
Waco, TX
Originally Posted By: Shannow
My new VM 2.8 (Duramax 2.8) in the Colorado


Interesting how VM now has an agreement with GM..... here, VM has the go-to for small diesels (V6, though) in Dodge/Jeep vehicles. None too terribly reliable from what I'm hearing.

I'm thinking if it has the Duramax name on it, they'll uphold their reputation.

Last edited by Linctex; 06/22/17 06:53 AM.

"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: Cold running modern diesels... [Re: Linctex] #4438277
06/22/17 06:52 AM
06/22/17 06:52 AM
Joined: Dec 2002
Posts: 41,513
'Stralia
Shannow Offline OP
Shannow  Offline OP
Joined: Dec 2002
Posts: 41,513
'Stralia
Originally Posted By: Linctex
Originally Posted By: Shannow
My new VM 2.8 (Duramax 2.8) in the Colorado


Interesting how VM has an agreement with GM in Oz..... here, VM is the go-to for small diesels in Dodge/Jeep vehicles. None too terribly reliable from what I'm hearing.


VM is the duramax 2.8...

http://www.vmmotori.com/4-cilindri/automotive-en/4-cilindri.html


In Texas as well

Re: Cold running modern diesels... [Re: Shannow] #4438280
06/22/17 06:54 AM
06/22/17 06:54 AM
Joined: Dec 2016
Posts: 7,109
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 7,109
Waco, TX
Originally Posted By: Shannow


In Texas as well


Yes, very interesting - It was news to me!


"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: Cold running modern diesels... [Re: Linctex] #4438281
06/22/17 07:03 AM
06/22/17 07:03 AM
Joined: Dec 2002
Posts: 41,513
'Stralia
Shannow Offline OP
Shannow  Offline OP
Joined: Dec 2002
Posts: 41,513
'Stralia
Cheers1 Cheers1

which actually means I've in the last 3 months bought 2 GM vehicles...with VM engines

couple of weeks ago a Holden Captiva Diesel (made by Daewoo) for my wife, with this engine in it
http://www.vmmotori.com/a-420-sohc/automotive-en/4-cilindri/a-420-sohcen.html

And the Colorado with the Thai Duramax
http://www.vmmotori.com/a-428-dohc/automotive-en/4-cilindri/a-428-dohcen.html


Two Holdens
Two Diesels
Two VM engines.

Last edited by Shannow; 06/22/17 07:04 AM. Reason: 3 and 2 inversion
Re: Cold running modern diesels... [Re: MinamiKotaro] #4438283
06/22/17 07:04 AM
06/22/17 07:04 AM
Joined: Jan 2013
Posts: 1,411
America's Dairyland
LotI Offline
LotI  Offline
Joined: Jan 2013
Posts: 1,411
America's Dairyland
Originally Posted By: MinamiKotaro
Not just diesels. I've noticed a few Hondas and a Mercedes or two have ~170F thermostats.

My Accord stays right at 80c water temp so bulk oil isn't much higher. Supposedly Honda went to a 90c thermostat in 2016 Accords.


03 Honda Interceptor
11 Kawasaki KLR 650
12 Ford E450
17 VW GTI
[IMG]http://badges.fuelly.com/images/sig-us/803455.png[/IMG]
Re: Cold running modern diesels... [Re: Shannow] #4438284
06/22/17 07:07 AM
06/22/17 07:07 AM
Joined: Jan 2017
Posts: 192
Michigan
64bawagon Offline
64bawagon  Offline
Joined: Jan 2017
Posts: 192
Michigan
If you want a hot running diesel buy a LLY duramax and put a trailer behind it.


05 Duramax Chevy(SOLD), 64 Chevy wagon, 10 Jeep Wrangler, 17 Equinox (rental), 18 Silverado 1/2 ton
Re: Cold running modern diesels... [Re: Shannow] #4438291
06/22/17 07:16 AM
06/22/17 07:16 AM
Joined: Aug 2003
Posts: 13,137
NE,Ohio
Rand Offline
Rand  Offline
Joined: Aug 2003
Posts: 13,137
NE,Ohio
Interesting just from a data point of view

my 2017 with the 3.2 pentastar(gas)

Usually runs about:
150f-160f transmission temp.
185-195 coolant temp
oil temp near 200f Measured at the pan
but I only have a couple data points on oil temp The other 2 I've seen many times.


2019 Jeep Cherokee Trailhawk 2.0T
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