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Thin oil in an older car. #4456311
07/11/17 12:45 PM
07/11/17 12:45 PM
Joined: Aug 2015
Posts: 433
Caribbean
Nissan101 Offline OP
Nissan101  Offline OP
Joined: Aug 2015
Posts: 433
Caribbean
Take this for example a 1994 car that originally spec 20w50.
With the advancement of oil would you all run a new API SN 10w30 oil in that car or continue with 20w50?


Nissan N16 -10w30
Nissan S13 -20w50

Royal Purple HPS smile
Re: Thin oil in an older car. [Re: Nissan101] #4456316
07/11/17 12:51 PM
07/11/17 12:51 PM
Joined: Oct 2014
Posts: 12,553
Idaho
CT8 Offline
CT8  Offline
Joined: Oct 2014
Posts: 12,553
Idaho
Because?


2015 Ford F150 2.7
2018 Ford F350 6.2
Re: Thin oil in an older car. [Re: Nissan101] #4456325
07/11/17 12:55 PM
07/11/17 12:55 PM
Joined: Oct 2015
Posts: 2,792
Balearic Islands , Spain
FordCapriDriver Online content
FordCapriDriver  Online Content
Joined: Oct 2015
Posts: 2,792
Balearic Islands , Spain
Run an API SN 20W-50.


1975 Ford Capri II Ghia 3000 V6, - Shell Helix HX3 20W-50 w/ 20% Rimula R4X 15W-40 HDEO.

1988 Ford Escort Mk4 Xr3i Cabrio, - Shell Rimula R4X 15W-40, w/ 30% Helix 3 20W-50.

Finnish expat in Spain.
Re: Thin oil in an older car. [Re: Nissan101] #4456327
07/11/17 12:57 PM
07/11/17 12:57 PM
Joined: Jan 2016
Posts: 333
Cheshire, England
barryh Offline
barryh  Offline
Joined: Jan 2016
Posts: 333
Cheshire, England
Possibly to use the same oil for both his cars ?


I've run a 79 motorcycle engine designed for 20W50 on 5W40 for the last 10 years.


Barry

1979 BMW R45 (Triple QX 5W40)
2009 Mercedes C180K (Shell Helix Ultra 5W40)
Re: Thin oil in an older car. [Re: barryh] #4456350
07/11/17 01:14 PM
07/11/17 01:14 PM
Joined: Aug 2015
Posts: 433
Caribbean
Nissan101 Offline OP
Nissan101  Offline OP
Joined: Aug 2015
Posts: 433
Caribbean
Yeah just a question, because on my quest for oil, 10w30 can be obtained a lot cheaper....but im not gonna loose engine protection, if i need to run 20w50 or 10w40 i will.

I have also read (here if i may say so) that most cars dont need 20w50 as oil have advanced, but if my car manual spec 20w50 for my climate(back in 1994) would you all still run 10w30?


Nissan N16 -10w30
Nissan S13 -20w50

Royal Purple HPS smile
Re: Thin oil in an older car. [Re: Nissan101] #4456352
07/11/17 01:17 PM
07/11/17 01:17 PM
Joined: Oct 2014
Posts: 12,553
Idaho
CT8 Offline
CT8  Offline
Joined: Oct 2014
Posts: 12,553
Idaho
Run 10W-30 and see what your oil pressure does


2015 Ford F150 2.7
2018 Ford F350 6.2
Re: Thin oil in an older car. [Re: Nissan101] #4456355
07/11/17 01:20 PM
07/11/17 01:20 PM
Joined: Sep 2014
Posts: 2,175
US-WA
Dyusik Offline
Dyusik  Offline
Joined: Sep 2014
Posts: 2,175
US-WA
I personally would, but my cars are not subjected to use that a 20w50 would be beneficial. And I have a thing for syn 10w30s *cough*mono*cough*grade*cough*


95 Cherokee 190K DELO 10W30, XG8
07 IS250 103K Napa 10w30, FULL
04 YZF-R1 19K DELO 15w40, XG7317
99 HD XL1200S 21K VR1 20w50, NG1515
14 RX450h 35k PP MIX, NG7047
Re: Thin oil in an older car. [Re: Nissan101] #4456411
07/11/17 02:38 PM
07/11/17 02:38 PM
Joined: Jun 2011
Posts: 1,799
Crawfordville FL
SilverFusion2010 Offline
SilverFusion2010  Offline
Joined: Jun 2011
Posts: 1,799
Crawfordville FL
What engine are we talking about, and what does the owners manual say about oil?


2010 Ford Fusion SE 3.0L V6, 181 miles M1 HM 10w-30
Re: Thin oil in an older car. [Re: Nissan101] #4456422
07/11/17 02:54 PM
07/11/17 02:54 PM
Joined: Apr 2017
Posts: 515
Fort Worth TX
TheKracken Offline
TheKracken  Offline
Joined: Apr 2017
Posts: 515
Fort Worth TX
I personally wouldn't worry at all about running a 10w30 when spec'd for 20w50....

BUT if this is just a matter of wanting to run one oil in both cars then why not try a euro or HDEO 0w40 or 5w40 and be very happy that both of your vehicles have a top of the line oil.


2011 Prius 96k miles RLI 5w20
97 Toy T100 4x4: amsoil 0w20 242k Miles
04 Toy Sienna awd: Pennzoil 0w20 281k Miles
Re: Thin oil in an older car. [Re: Nissan101] #4456440
07/11/17 03:10 PM
07/11/17 03:10 PM
Joined: Jul 2015
Posts: 4,651
Down Under
SR5 Offline
SR5  Offline
Joined: Jul 2015
Posts: 4,651
Down Under
What engine and what type of 30 grade oil ?
Is it an ILSAC 10W30 with a HTHS of about 3.0 cP or a Euro / HDEO 10W30 with a HTHS of about 3.5 cP ? They are two very different 10W30 oils.

Have you considered at mixed fleet HDEO like Rotella, Rimula, Delo, Delvac in 15W40 they should be everywhere and at a decent price.

We also get very well priced 15W40 mineral oil for cars like Castrol GTX 15W40 and Shell HX5 15W40 that are rated API SN and Euro ACEA A3/B3 which have a HTHS of around 4.0 cP. I would try a 15W40 first and see how that goes.


---------------------------------------------------------------------------------
Castrol GTX Ultraclean 15W40 A3/B3 + Wesfil-Cooper Z154
Re: Thin oil in an older car. [Re: Nissan101] #4456482
07/11/17 04:03 PM
07/11/17 04:03 PM
Joined: Aug 2003
Posts: 13,137
NE,Ohio
Rand Offline
Rand  Offline
Joined: Aug 2003
Posts: 13,137
NE,Ohio
Is this hypothetical? most cars 20 years ago had a big chart of temps and recommended oils.


2019 Jeep Cherokee Trailhawk 2.0T
Re: Thin oil in an older car. [Re: Nissan101] #4456514
07/11/17 04:55 PM
07/11/17 04:55 PM
Joined: Jan 2016
Posts: 846
NC
Vladiator Offline
Vladiator  Offline
Joined: Jan 2016
Posts: 846
NC
Someone here ran PP 0w20 in an older Benz E430 V8, and engine was much quieter (and better mpg) than on the thicker EURO-spec oil that is recommended for that engine.

Re: Thin oil in an older car. [Re: SR5] #4456558
07/11/17 05:52 PM
07/11/17 05:52 PM
Joined: Sep 2015
Posts: 6,071
Kalifornia Kollective
BrocLuno Offline
BrocLuno  Offline
Joined: Sep 2015
Posts: 6,071
Kalifornia Kollective
Originally Posted By: SR5
What engine and what type of 30 grade oil ?
Is it an ILSAC 10W30 with a HTHS of about 3.0 cP or a Euro / HDEO 10W30 with a HTHS of about 3.5 cP ? They are two very different 10W30 oils.

Have you considered at mixed fleet HDEO like Rotella, Rimula, Delo, Delvac in 15W40 they should be everywhere and at a decent price.

We also get very well priced 15W40 mineral oil for cars like Castrol GTX 15W40 and Shell HX5 15W40 that are rated API SN and Euro ACEA A3/B3 which have a HTHS of around 4.0 cP. I would try a 15W40 first and see how that goes.


+1 smile


Formerly in marine engineering. In an earlier life I owned my own petroleum tank truck, and hauled for the majors and independent's.
Re: Thin oil in an older car. [Re: Nissan101] #4456624
07/11/17 06:43 PM
07/11/17 06:43 PM
Joined: Jun 2011
Posts: 1,799
Crawfordville FL
SilverFusion2010 Offline
SilverFusion2010  Offline
Joined: Jun 2011
Posts: 1,799
Crawfordville FL
Try some Supertech dexos 5w-20. If you launch a rod through the hood then it was a bad idea.

On a serious note, try M1 HM 10w-30. Basically a thin 40, good additive package and can be had at Walmart.


2010 Ford Fusion SE 3.0L V6, 181 miles M1 HM 10w-30
Re: Thin oil in an older car. [Re: Rand] #4456634
07/11/17 06:50 PM
07/11/17 06:50 PM
Joined: Sep 2015
Posts: 606
NE Ohio
Ifixyawata Offline
Ifixyawata  Offline
Joined: Sep 2015
Posts: 606
NE Ohio
Originally Posted By: Rand
Is this hypothetical? most cars 20 years ago had a big chart of temps and recommended oils.


yes, THIS. Because I doubt any car, even 20 years ago required a heavy hitter like 20w-50. Was within range? Sure. Required that only? no. This sounds like a trolling post against thin oils.

Run 10w-30 and forget about it. Oh, you have winter? 5w-30. End of Story.

I'm tired of people demonizing xw-20 oils.


2004 Mercury Mountaineer 4.6 M1 High Mileage 10w-40 (Summer)
2001 Ford Focus 2.0 Zetec Pennzoil Euro L 5w-30
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