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Inability to get oil to operating temp #4624359
01/04/18 11:50 PM
01/04/18 11:50 PM
Joined: Jul 2014
Posts: 27
Ohio
Atomic Offline OP
Atomic  Offline OP
Joined: Jul 2014
Posts: 27
Ohio
Hello,

Last time I stopped by was to get input on what oil I should run in my new Focus RS. I have been on Mobil 1 5w-50 and a Fram Ultra and just completed second oil change at 10.5k (7.5k run).

With the arrival of winter, I am noticing the oil is never exceeding ~170 degrees, even with my 60 mile round trip to work and back, and with my lack of will power to keep from hammering down on it. On a recent 450 Mile road trip, I drove between 80-100 for hours at 3.5k RPM with the oil temp never reaching even 190 degrees.

All said, is this going to have a negative impact on the oil, necessitating a change earlier than the 7.5k I will run normally?

Thanks!

Last edited by Atomic; 01/04/18 11:50 PM.

1997 Chevrolet Camaro (CAI, Borla Catback, lowered 1.5")- 183k
2016 Ford Focus RS (Stealth Grey)- 15k
Re: Inability to get oil to operating temp [Re: Atomic] #4624362
01/04/18 11:51 PM
01/04/18 11:51 PM
Joined: Apr 2016
Posts: 1,185
Campbellsville, KY
Alex_V Offline
Alex_V  Offline
Joined: Apr 2016
Posts: 1,185
Campbellsville, KY
No.


I like Chevy and Valvoline.

'13 Cruze, 1.4T, 113K
'85 GMC C3500, 454, 130K
'82 Mercedes 300CD, OM617 turbo, 169K
'67 Suburban, 350, 331K
Re: Inability to get oil to operating temp [Re: Atomic] #4624373
01/05/18 12:10 AM
01/05/18 12:10 AM
Joined: Oct 2014
Posts: 26
Michigan
SandCastle Offline
SandCastle  Offline
Joined: Oct 2014
Posts: 26
Michigan
With the oil struggling to maintain 170F, you obviously don't need 50 weight oil. Even SAE 30 would be too viscous for optimum performance at that temperature. Why not compromise and use 0W-40 year round?

Re: Inability to get oil to operating temp [Re: Atomic] #4624383
01/05/18 12:17 AM
01/05/18 12:17 AM
Joined: Dec 2016
Posts: 6,259
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 6,259
Waco, TX
You are seeing "average" temps.

Rest assured, the oil at certain other parts of the engine are seeing well over 212*F.


"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: Inability to get oil to operating temp [Re: Atomic] #4624395
01/05/18 12:30 AM
01/05/18 12:30 AM
Joined: Jan 2018
Posts: 534
San Antonio, TX
das_peikko Offline
das_peikko  Offline
Joined: Jan 2018
Posts: 534
San Antonio, TX
You sure your thermostat isn't stuck open? What's your water temp say?

Re: Inability to get oil to operating temp [Re: Atomic] #4624402
01/05/18 12:44 AM
01/05/18 12:44 AM
Joined: May 2012
Posts: 5,387
Fort Lauderdale, FL
DoubleWasp Offline
DoubleWasp  Offline
Joined: May 2012
Posts: 5,387
Fort Lauderdale, FL
Seeing as you have a coolant/oil oil cooler, that is particularly strange. Oil should be close to coolant temps. There should be no issue with it warming up the oil along with the engine.

Coolant temp would be necessary information here.


07 Lincoln Navigator M1 0w-40/FU
68 Charger R/T / Supercharged 440 VR1/DBL7349
07 Ram 3500 4x4 / Cummins 6.7 /DBL7349
17 Maserati GranTurismo Cabrio
Re: Inability to get oil to operating temp [Re: Atomic] #4624407
01/05/18 12:49 AM
01/05/18 12:49 AM
Joined: Nov 2011
Posts: 4,857
MTL, CANADA
Rolla07 Offline
Rolla07  Offline
Joined: Nov 2011
Posts: 4,857
MTL, CANADA
My car takes long in winter to show the usual halfway on the temp gauge...cold outside, heat and fans almost at max while idling causes heat gauge to drop to 1/4. Im assuming its normal, as its been like that for years.


2007 Corolla Red Pearl 155k miles
PP 0w20 & ST 4967

Re: Inability to get oil to operating temp [Re: DoubleWasp] #4624408
01/05/18 12:49 AM
01/05/18 12:49 AM
Joined: May 2010
Posts: 9,060
North Carolina
spasm3 Offline
spasm3  Offline
Joined: May 2010
Posts: 9,060
North Carolina
Originally Posted By: das_peikko
You sure your thermostat isn't stuck open? What's your water temp say?
Originally Posted By: DoubleWasp
Seeing as you have a coolant/oil oil cooler, that is particularly strange. Oil should be close to coolant temps. There should be no issue with it warming up the oil along with the engine.

Coolant temp would be necessary information here.

+1

Re: Inability to get oil to operating temp [Re: Alex_V] #4624441
01/05/18 01:46 AM
01/05/18 01:46 AM
Joined: May 2009
Posts: 247
Hawaii, USA
anndel Offline
anndel  Offline
Joined: May 2009
Posts: 247
Hawaii, USA
Originally Posted By: Alex_V
No.


+1

Re: Inability to get oil to operating temp [Re: DoubleWasp] #4624445
01/05/18 01:54 AM
01/05/18 01:54 AM
Joined: Dec 2016
Posts: 6,259
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 6,259
Waco, TX
Originally Posted By: DoubleWasp
Seeing as you have a coolant/oil oil cooler, that is particularly strange. Oil should be close to coolant temps.


Not necessarily.....
oil coolers are always in the "cold" hose (return from radiator to engine)...
and coolant temp sensors are usually near the hottest part (near thermostat housing)


"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: Inability to get oil to operating temp [Re: Atomic] #4624469
01/05/18 04:43 AM
01/05/18 04:43 AM
Joined: Jun 2016
Posts: 551
South OZ
KL31 Offline
KL31  Offline
Joined: Jun 2016
Posts: 551
South OZ
190F is about 90 Celsius. Sounds normal. The engine will have an oil cooler to help maintain it's preferred operating temp. For most cars that have an oil temp gauge that I've seen, 80-90 Celsius is normal for oil.

In winter my engine struggled to get over 70 celsius. Of course, as others have pointed out, there will be spots in your engine where the oil does indeed far exceed that, the oil circulates and cools down.

Temp gauge location plays a big part. If it's in the sump, it's going to be lower. I have mine in an oil galley plug location. I have no idea why there was a removable galley plug screw in the block. Thanks very much Mazda engineers, you knew I wanted a spot for an oil temp sensor. Otherwise, most people tap into the sump. Good for sump temp, but doesn't tell you what the pistons or heads are seeing.

Also, this is a DI turbo car. If ford recommend 50 grade, it's probably for a reason. If anything, if your winters are not cold, you could switch to 15W50, which might be better for NOACK. 5W50 will probably have more VII and prone to shear more. I'm betting the RS engine would be good at that too.


95 MX-3 2.5L|Shell Helix Ultra 5W40|Wix 51356
04 Focus 1.8L|Wesfil Cooper WZ63|Valvoline MST 5W30
05 Kluger 3.3L|Wesfil Cooper WZ418|Magnatec 10W30 Semi Syn
Re: Inability to get oil to operating temp [Re: Atomic] #4624486
01/05/18 06:00 AM
01/05/18 06:00 AM
Joined: Sep 2013
Posts: 10,457
Indiana
dlundblad Offline
dlundblad  Offline
Joined: Sep 2013
Posts: 10,457
Indiana
I am just going to say it. 5w50 is too thick with the weather you are experiencing.

Does your owners manual give you a range of weights. Current EB engines require 5w30.

*I would also check the location of your oil temp sensor and see if that plays a roll in what you're seeing.

Last edited by dlundblad; 01/05/18 06:03 AM.

03 Jeep WJ 4.0 200k Castrol Edge 10w40 HM Fram XG16
02 Volvo S60 2.4T 177k M1 0w40 Mahle OX149D
97 Chevy Blazer 4.3 149k Rotella T5 10w30 Supertech ST3980

Re: Inability to get oil to operating temp [Re: dlundblad] #4624500
01/05/18 06:33 AM
01/05/18 06:33 AM
Joined: Mar 2015
Posts: 5,036
Virginia
bbhero Offline
bbhero  Offline
Joined: Mar 2015
Posts: 5,036
Virginia
The W the winter rating. So a 5w is just fine. The 50 part I agree with you on.

Last edited by bbhero; 01/05/18 06:34 AM.

Nissan Altima 3.5 Coupe
Quaker State High Mileage 5w30 Purolator Boss 14610
"Treat your family like your friends and treat your friends like your family."
Re: Inability to get oil to operating temp [Re: Atomic] #4624504
01/05/18 06:41 AM
01/05/18 06:41 AM
Joined: Dec 2014
Posts: 1,671
'murica
Ethan1 Offline
Ethan1  Offline
Joined: Dec 2014
Posts: 1,671
'murica
Ford traditionally specs 5W50 in their track-oriented cars such as the GT and GT500. If you're driving on the street, 5W50 is probably not for you. I would use whatever they spec for the same engine in a different vehicle.

Re: Inability to get oil to operating temp [Re: Atomic] #4624562
01/05/18 08:11 AM
01/05/18 08:11 AM
Joined: Dec 2017
Posts: 59
New York City
ThankYouma Offline
ThankYouma  Offline
Joined: Dec 2017
Posts: 59
New York City
50-grade oil seems to be a thing with the new Focus RS, a la new Ford GT which also said 5W-50. As noted, new Mustangs call for 5W-20. (2014 Mustang GT does)

Some quick searching, and I found that many are running Shell Rotella T6 5W-40 in their new Focus RS. http://www.focusrs.org/forum/9-focus-rs-discussions/980-rs-oil-requirements.html#/topics/980?page=2

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