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#4688347 - 03/08/18 06:24 AM Looking for a heavy 5w-20
klt1986 Offline


Registered: 04/08/09
Posts: 384
Loc: Southern VA
If someone wanted to find the heaviest 5w-20 synthetic engine oil, what test or rating should you look for? Would be looking at the big name brand synthetic oils such as Pennzoil, Mobil 1, Castrol Edge, etc.
_________________________
Wife: 08 Honda CR-V 4WD, M1 5W-20
Me: 11 Toyota Tundra DC 4WD 5.7L, PP 0W-20
Me Work: 06 Ford Explorer 4WD 4.0L, Pennzoil 5W-30
Son: 14 Toyota Corolla S, M1 AFE 0W-20

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#4688354 - 03/08/18 06:37 AM Re: Looking for a heavy 5w-20 [Re: klt1986]
Char Baby Offline


Registered: 05/25/05
Posts: 10022
Loc: ROCHESTER, NY
Heaviest 5W20:
My first guess would have been Castrol GTX 5W20 and according to this it is by a small margin. This may help however, it is from 2014:
2014:
http://www.pqiamerica.com/Feb2014/consolidated5w20ALL.html

2017:
http://pqiadata.org/Castrol_GTX_5W20.html

Lightest 5W30:
And if someone were to ask about the thinnest 5W30, I would have to guess Havoline 5W30 but, I'd have to search.

Look how close this Havoline 5W30 is to Castrol GTX 5W20(SN-older sample):
http://www.pqiamerica.com/TexacoHavoline.htm


Edited by Char Baby (03/08/18 06:44 AM)
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#4688360 - 03/08/18 06:43 AM Re: Looking for a heavy 5w-20 [Re: klt1986]
LotI Offline


Registered: 01/01/13
Posts: 1267
Loc: America's Dairyland
Looking at kV100, Castrol GTX Magnatec 0w-20 is up there at 9.1.

Gold bottle 5w-30 QSUD is at 10.19, Havoline Pro DS is 10.7
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#4688365 - 03/08/18 06:46 AM Re: Looking for a heavy 5w-20 [Re: LotI]
Char Baby Offline


Registered: 05/25/05
Posts: 10022
Loc: ROCHESTER, NY
Originally Posted By: LotI
Looking at kV100, Castrol GTX Magnatec 0w-20 is up there at 9.1.

Gold bottle 5w-30 QSUD is at 10.19, Havoline Pro DS is 10.7


I assume they're much newer samples?

This was fun! laugh
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#4688384 - 03/08/18 07:09 AM Re: Looking for a heavy 5w-20 [Re: klt1986]
LotI Offline


Registered: 01/01/13
Posts: 1267
Loc: America's Dairyland
My first post was brief but the OP needs to look at 2 numbers to decide if an oil is “thick”

KV100- the viscosity of the oil at 100C, basically its own internal friction resisting gravity at normal operating temp.

HT/HS(or just HTHS) more accurately represents what a fluid does under pressure in an ICE bearing or ring pack. The test is done at 150C

HTHS
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#4688389 - 03/08/18 07:15 AM Re: Looking for a heavy 5w-20 [Re: klt1986]
JHZR2 Offline



Registered: 12/14/02
Posts: 41780
Loc: New Jersey
Since every viscosity is a range, you might consider a 30wt that is formulated on the lower end of the range.

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#4688396 - 03/08/18 07:25 AM Re: Looking for a heavy 5w-20 [Re: klt1986]
zeng Offline


Registered: 09/01/15
Posts: 2188
Loc: Malaysia
Select among an A1B1 or A3Bx C3 (for xW30/40)
Pass on any GF5/4.

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#4688406 - 03/08/18 07:36 AM Re: Looking for a heavy 5w-20 [Re: klt1986]
OVERKILL Offline


Registered: 04/28/08
Posts: 36451
Loc: Ontario, Canada
I'd expect Redline's 5w-20 to be the heaviest.
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#4688407 - 03/08/18 07:37 AM Re: Looking for a heavy 5w-20 [Re: JHZR2]
SR5 Offline


Registered: 07/07/15
Posts: 4462
Loc: Down Under
Originally Posted By: JHZR2
Since every viscosity is a range, you might consider a 30wt that is formulated on the lower end of the range.

Exactly, if I wanted a heavy 5W20, I would probably end up getting a light 5W30.

Look at the KV100 Viscosity
M1 5W20 = 8.9 cSt (ILSAC)
M1 5W30 = 11 cSt (ILSAC)
Edge 5W30 A3/B4 = 12.0 cSt (Euro oil)
The above seem fairly typical to me, but I find Pennzoil Platimum fairly light for its grade
PP 5W30 = 10.3 cSt

Rounding viscosity to the nearest whole number you get: 9, 10, 11, 12 cSt above. Take your pick.
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#4688431 - 03/08/18 08:04 AM Re: Looking for a heavy 5w-20 [Re: klt1986]
KCJeep Offline


Registered: 06/30/11
Posts: 6998
Loc: Mahzurrah!
I would surmise the OP needs a 20 for warranty purposes but isn't too keen on 20's. At least that is where I would be if asking that question.

Castrol would be a good place to start.
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#4688488 - 03/08/18 09:10 AM Re: Looking for a heavy 5w-20 [Re: klt1986]
MRtv Offline


Registered: 01/04/16
Posts: 207
Loc: Ada county Idaho
Not looking at any results of tests of oil but just doing a shake of a bottle on the shelf I would go with Castrol. Pennzoil 5w20 looks like water in the bottle compared to Castrol being more stout a liquid in the bottle when shaking the two. Unscientific I know but it was just my observation when trying to shake the two after reading that Castrol is a bit thick for grade. A bottle of GTX white bottle now resides in by stash.
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#4688518 - 03/08/18 09:29 AM Re: Looking for a heavy 5w-20 [Re: klt1986]
Snagglefoot Online   content


Registered: 12/31/17
Posts: 1726
Loc: Alberta
A heavy 5W-20? That would be 5W-30.

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#4688553 - 03/08/18 10:06 AM Re: Looking for a heavy 5w-20 [Re: Snagglefoot]
JohnnyJohnson Offline


Registered: 10/22/09
Posts: 2743
Loc: Wet side WA
Originally Posted By: Snagglefoot
A heavy 5W-20? That would be 5W-30.


I like that. thumbsup
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Out: QSUD 5W-30 Purolator One 5030
In: Valvoline ML 5w-30 TG4967 117530 2-8-18
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#4688558 - 03/08/18 10:09 AM Re: Looking for a heavy 5w-20 [Re: KCJeep]
klt1986 Offline


Registered: 04/08/09
Posts: 384
Loc: Southern VA
Originally Posted By: KCJeep
I would surmise the OP needs a 20 for warranty purposes but isn't too keen on 20's. At least that is where I would be if asking that question.

Castrol would be a good place to start.


Ahhh, you are close! Vehicle is a 2011 Toyota Tundra 4wd with the 5.7L engine. Vehicle has been out of warranty for about a year now. OM calls for 5w-20 or 0w-20. I have been running mostly 5w-20 Mobil 1, PP, and Edge. Will be towing longer distances this spring and summer and will be traveling I-95 between VA and GA quite a bit. The OM does state, "an oil with a higher viscosity may be better suited if the vehicle is operated at high speeds, or under extreme load conditions". I wish the manual would have given a more specific viscosity recommendation, as I think a 5w-30 would offer more protection.
_________________________
Wife: 08 Honda CR-V 4WD, M1 5W-20
Me: 11 Toyota Tundra DC 4WD 5.7L, PP 0W-20
Me Work: 06 Ford Explorer 4WD 4.0L, Pennzoil 5W-30
Son: 14 Toyota Corolla S, M1 AFE 0W-20

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#4688614 - 03/08/18 11:09 AM Re: Looking for a heavy 5w-20 [Re: klt1986]
Snagglefoot Online   content


Registered: 12/31/17
Posts: 1726
Loc: Alberta
Thanks for sharing that conmment from the owners manual. I agree 5-30 would be good. I tow with a large V-8 using 5-30. I have 150,000 miles on the engne now.

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