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When buying hdeo 20w50 #4517506
09/15/17 11:28 PM
09/15/17 11:28 PM
Joined: Jan 2014
Posts: 500
AZ
leroyd92 Offline OP
leroyd92  Offline OP
Joined: Jan 2014
Posts: 500
AZ
Are there some brands that aren't HDEO? Or are all 20w50 apart of the hdeo family?

I know 15w40 has a strong additive pack ( usually) but I've never paid attention to 20w50.


Supertech Junky
Re: When buying hdeo 20w50 [Re: leroyd92] #4517513
09/15/17 11:46 PM
09/15/17 11:46 PM
Joined: Dec 2006
Posts: 18,614
Dallas,Tx USA
aquariuscsm Offline
aquariuscsm  Offline
Joined: Dec 2006
Posts: 18,614
Dallas,Tx USA
I've never seen a 20W50 HDEO,only PCMO's.


1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
Quaker State Ultimate Durability 10W30
2012 Honda Accord Coupe EX-L 2.4,auto,San Marino Red
Quaker State Ultimate Durability 5W20

Re: When buying hdeo 20w50 [Re: leroyd92] #4517514
09/15/17 11:46 PM
09/15/17 11:46 PM
Joined: Jun 2003
Posts: 17,335
Deplorable in apple valley, ca
Chris142 Offline
Chris142  Offline
Joined: Jun 2003
Posts: 17,335
Deplorable in apple valley, ca
I have never seen a hdeo 20w50.


02 Wrangler durablend 10w40
87 F250 traveler 15w40
04 Tahoe super-s 10w30
Z400 castrol T 10w40
Can am maveric edge 5w40
57 case tractor 15w40
Re: When buying hdeo 20w50 [Re: leroyd92] #4517527
09/16/17 12:23 AM
09/16/17 12:23 AM
Joined: Jul 2015
Posts: 127
Alberta
BigJakeChevy Offline
BigJakeChevy  Offline
Joined: Jul 2015
Posts: 127
Alberta

Does this count? This stuff is dual rated and is under amsoils diesel engine oil line on the website

Last edited by BigJakeChevy; 09/16/17 12:25 AM.

2007 Silverado Classic 5.3L PPPP 10w30 455,000kms
Re: When buying hdeo 20w50 [Re: leroyd92] #4517534
09/16/17 12:53 AM
09/16/17 12:53 AM
Joined: Oct 2004
Posts: 3,075
Midwest, Illinois
beanoil Offline
beanoil  Offline
Joined: Oct 2004
Posts: 3,075
Midwest, Illinois
20w50 are usually PCMO.
Mystik has a 15w50 HDEO, but I have no idea what diesel engine would call for it.
Mystik


beanoil: Tough under heat, real dirty afterwards.
Re: When buying hdeo 20w50 [Re: leroyd92] #4517540
09/16/17 01:13 AM
09/16/17 01:13 AM
Joined: Feb 2015
Posts: 2,193
Slovenia EU
Kamele0N Offline
Kamele0N  Offline
Joined: Feb 2015
Posts: 2,193
Slovenia EU
Petrol a.k.a (rebranded) Havoline/Texaco...



2011 Hyundai i30 1.4 CVVT Shell Helix Ultra 5w40
1997 Toyota Landcruiser KZJ95 3.0 TD Shell Rimula R6M 10w40
Re: When buying hdeo 20w50 [Re: leroyd92] #4517543
09/16/17 01:22 AM
09/16/17 01:22 AM
Joined: Jul 2016
Posts: 1,083
Europe
SonofJoe Offline
SonofJoe  Offline
Joined: Jul 2016
Posts: 1,083
Europe
Even now, in parts of the developing world, the two primary oil grades are 15W40 & 20W50. I would say that PCMO can be either whereas HDDO might usually be 15W40, but not exclusively. In these regions you might also find 20W40 oils which in my experience make stunningly good HDDOs.

Re: When buying hdeo 20w50 [Re: leroyd92] #4517612
09/16/17 07:20 AM
09/16/17 07:20 AM
Joined: Aug 2010
Posts: 1,004
pa
benjy Offline
benjy  Offline
Joined: Aug 2010
Posts: 1,004
pa
older engines of any type can benefit from a higher viscosity @ running temps to compensate for lost oil pressure due to wider worn clearances. early poorly made HD motorcycle engines needed straight 50 + 60 weight oils + still leaked like a siv!!!

Re: When buying hdeo 20w50 [Re: leroyd92] #4517625
09/16/17 07:54 AM
09/16/17 07:54 AM
Joined: Oct 2015
Posts: 2,648
Balearic Islands , Spain
FordCapriDriver Online content
FordCapriDriver  Online Content
Joined: Oct 2015
Posts: 2,648
Balearic Islands , Spain
Shell makes i think 2 20W-50 HDEO's, Rimula R3-X and R2 Extra, both diesel only rated, no gasoline engine ratings, 20W-50 is rare among HDEOs.
I've seen all these viscosities of HDEO :
5W-30
10W-30
15W-30
SAE 30
SAE 40
SAE 50
5W-40
10W-40
15W-40
20W-40
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.
Re: When buying hdeo 20w50 [Re: leroyd92] #4517705
09/16/17 09:49 AM
09/16/17 09:49 AM
Joined: Dec 2016
Posts: 6,226
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 6,226
Waco, TX
The Mystik 15W-50 is semi-synthetic, relatively inexpensive, and works GREAT in Harley Davidson engines.


"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: When buying hdeo 20w50 [Re: leroyd92] #4518357
09/17/17 07:16 AM
09/17/17 07:16 AM
Joined: Sep 2015
Posts: 2,256
Malaysia
zeng Offline
zeng  Offline
Joined: Sep 2015
Posts: 2,256
Malaysia
Well , 20W50 in HDEO and PCMO are common here.


Re: When buying hdeo 20w50 [Re: leroyd92] #4519988
09/19/17 05:45 AM
09/19/17 05:45 AM
Joined: Jul 2012
Posts: 2,302
South Carolina
alarmguy Offline
alarmguy  Offline
Joined: Jul 2012
Posts: 2,302
South Carolina
Except for the few mentioned here. 20W50 HEDO is almost impossible to find in the USA, yet is readily available throughout the rest of the world. Frustrating for sure.

Only ones I know of are the two mentioned here, Mystik JT8 (15/50 semi syn) and Amsoil (20w50 syn).


14 Road King (current)
08 VStar 1300 Tourer
07 Suzuki C50
Re: When buying hdeo 20w50 [Re: alarmguy] #4520853
09/20/17 01:32 AM
09/20/17 01:32 AM
Joined: Dec 2009
Posts: 25,355
Regina, Saskatchewan, Canada
Garak Offline
Garak  Offline
Joined: Dec 2009
Posts: 25,355
Regina, Saskatchewan, Canada
I don't think we saw much of a 20w-50 in any type of HDEO beyond CF, really, and that's when CF was on everything.


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: When buying hdeo 20w50 [Re: leroyd92] #4529626
09/29/17 05:41 PM
09/29/17 05:41 PM
Joined: Jun 2003
Posts: 2,693
BC, Canada
userfriendly Offline
userfriendly  Offline
Joined: Jun 2003
Posts: 2,693
BC, Canada
I just cleaned off the shelf at Walmart of 20W50 Castrol motorcycle oil on 1/2 price. I'll try it out in my LML Duramax next summer. Petro-Canada just rolled out 2 Duron 20W50s and 15W40s; Classic GH-4 and Extra CJ-4.

Last edited by userfriendly; 09/29/17 05:42 PM.
Re: When buying hdeo 20w50 [Re: leroyd92] #4529897
09/29/17 10:29 PM
09/29/17 10:29 PM
Joined: Sep 2005
Posts: 14,333
Canada
addyguy Offline
addyguy  Offline
Joined: Sep 2005
Posts: 14,333
Canada
I believe Petro-Canada now makes a 20W-50 HDEO now.


2010 Kia Soul 2U - 2.0L I-4, auto; 132k miles.
M1 EP 10W-30; OEM Kia filter.
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