Thickest 5w30 (11 plus at 100c)

[Gene K]

Is 0w40 thinner than 5w30 at let's say 32F? This will be ideal for this summer but I am worried about next Winter.

40C (104F) Viscosity

Mobil 1 ESP 5W-30 - 72.8 cSt

Mobil 1 FS 0W-40 - 70.8 cSt

M1 FS 0W-40 is already thinner at 104F than M1 ESP 5W-30.

FS is about 4% thicker at that point than a typical ILSAC 5W-30 where as ESP is about 7% thicker.

 

[mahanddeem]

0

40C (104F) Viscosity

Mobil 1 ESP 5W-30 - 72.8 cSt

Mobil 1 FS 0W-40 - 70.8 cSt

M1 FS 0W-40 is already thinner at 104F than M1 ESP 5W-30.

FS is about 4% thicker at that point than a typical ILSAC 5W-30 where as ESP is about 7% thicker.

Thanks
Can these oils ever be compared at 32F?

 

[edyvw]

0


Thanks
Can these oils ever be compared at 32F?

Test is done at -30c for 5W and -35 for 0W.
You can find results on Mobil1 web page. Mobil1 is probably most transparent company when it comes to performance data.

 

[edyvw]

Also, why you need thick W30? What is actually you are trying to achieve? What vehicle?

 

[snowshew]

I received this from Mobil a while back, note it is in cSt vs cP I normally see (for the -30C, -35C values). FWIW:

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Mobil 1 0W-30 Advanced Fuel Economy​

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[Gene K]

0


Thanks
Can these oils ever be compared at 32F?

I can't directly answer the question but if 0W-40 FS is 1 cSt thicker at 100C and already 2 cSt thinner at 40C it's a safe bet that it's going to be thinner at 0C (32F).

Normally viscosity specs are disclosed at 100C and 40C. The cold temp is already indirectly disclosed by it's W rating.

If the 40C isn't listed you can calculate it using the VI.

 

[kschachn]

Is 0w40 thinner than 5w30 at let's say 32F? This will be ideal for this summer but I am worried about next Winter.

There will be zero difference at that temperature. And unless your winter includes temperatures below -25F (or colder) then it won't make a difference then either.

 

[Gene K]

There will be zero difference at that temperature. And unless your winter includes temperatures below -25F (or colder) then it won't make a difference then either.

View attachment 26326

Using M1 ESP 5W30 and FS 0W40 at 32F...

ESP 5W30 656 cSt
FS 0W-40 526 cSt

Of course that is not exact. It's just a rough estimate.

 

[Link]

What about some on the thicker side 5w30 high mileage options.

 

[dippschtick]

Rotella Gas Truck 5w-30 is 11.7@100°C

 

[tblt44]

Gas truck is on sale at advanced 11 bucks 5 quarts

 

[350Rocket]

You beat me to it. This is the way you get a thicker oil.

I'm not the op, but going from my own experience buying oils on sale it's a lot easier finding 5w30 than anything thicker. I also prefer a thicker oil for my 200k mile 4.8 gm in my work truck.

 

[mahanddeem]

OP here
Thanks alot guys. Very good suggestions.
Seems M1 vanilla 0w40 is a good candidate!

 

[Link]

Gas truck is on sale at advanced 11 bucks 5 quarts

Is gas truck “all mileage” equal to high mileage?

 

[Link]

Delo 400 XSP 5W-30
Vis @ 100C =12.1
HTHS = 3.5

Redline 5W-30
Vis @ 100C = 11.9
HTHS = 3.7

Mobil 1 ESP 5W-30
Vis @ 100C = 11.8
HTHS = 3.5

Delo is specified for diesel, is it safe in gasoline engines?

 

[blufeb95]

Delo is specified for diesel, is it safe in gasoline engines?

Delo is a mixed fleet oil it is rated for both API service classes for spark and compression ignition.

 

[cristo]

I’d look at the HTHS spec as well as the 100C viscosity.

 

[danthaman1980]

RGT 5w-30 11.7cst @100c
QSUD 5w-30 11.6cst @100c
Both really great oils.

Is gas truck “all mileage” equal to high mileage?

Based on this product and comparing it to other SOPUS oils, I'm interpreting "all mileage" to mean it has some seal conditioning qualities but likely a bit less than a dedicated "high mileage" oil.
SOPUS labels typically rate the seal conditioning qualities of their oils with a 0 to 3 star (or check mark) rating. Some of the ratings on the backs of their bottles:
PYB, PP, PUP: No stars
QSGB: One star
QSUD: Two stars
PHM, PPHM, QSHM: Three stars.

Others have noted that on paper RGT appears somewhat similar to QSUD, so it stands to reason that the two may be similar in their seal conditioning ability as well.

 

[Gene K]

OP here
Thanks alot guys. Very good suggestions.
Seems M1 vanilla 0w40 is a good candidate!

It's not really Vanilla. It's a Wolf in Sheep's Clothing. It's still an ACEA A3/B4, Porsche A40, MB 229.5, VW 502/505 and would likely still be a BMW LL01 if they hadn't had the recent update that kicked pretty much all the 0W-40 off the list. It's actually still one of the best values in oil.

Several of my Buddy's use it instead of shear prone MC 5W-50 in their GT500 since they come out of the sump essentially the same viscosity. I have toyed with the idea of using it in my GT but am pretty happy with 10W-30 (Since it never sees temps below freezing, The Michelin Summer Tires are kind of slippery with 700 bhp below 40F anyway.

 

[LeoStrop]

Motul 8100 X-clean+ 5W-30 - 11.7 @ 100°C (C3/ 229.51/ LL-04 / C30) HTHS 3.6

https://d23zpyj32c5wn3.cloudfront.net/images/product_descriptions/technical_data_sheets/31171/8100_X-Clean__5W30_0612_PT.pdf?1492017083

Should be a good shear resistance oil according to Gokham calculations.