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*Noack Volatility - 20 grades #5422314 05/06/20 06:46 AM
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buster Offline OP
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It appears we're at a point where most of the Noack numbers among the top tier oils from most brands are relatively close.
Missing from this list:
Driven 0w20 - 11%
Redline 0w20 - 9%
Redline 5w20 - 8%
Valvoline ME 0w20 - 10%
Valvoline ME 5w20 - 8.5%

I recently found out that there is a rather wide margin of error for Noack, usually +/- 2%.

[Linked Image]


2020 - Mazda CX-30 - Mobil 1 EP 0w20
2019 - Subaru Impreza - Dealer Oil
Re: *Noack Volatility - 20 grades [Re: buster] #5422351 05/06/20 07:37 AM
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zfasts03 Offline
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One of the reasons I run Amsoil.


- 03 Corvette Z06
Amsoil 5w-30 SS
- 07 Honda Accord 2.4L
Amsoil 5w-20 SS
- 16 Suburban 5.3L
Amsoil 0w-20 SS, XG10575(16-28 by-pass)
- 18 4Runner TRD Off Road
Amsoil 0w-30 SS, TRD filter
Re: *Noack Volatility - 20 grades [Re: buster] #5422364 05/06/20 07:51 AM
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buster Offline OP
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Amsoil does have good Noack and a significant amount of esters. The Noack though is pretty good among most brands these days. They used to be all around 12-13%. Now most are under 10%.


2020 - Mazda CX-30 - Mobil 1 EP 0w20
2019 - Subaru Impreza - Dealer Oil
Re: *Noack Volatility - 20 grades [Re: buster] #5422374 05/06/20 08:05 AM
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OVERKILL Offline
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Are these all 5w-20 or 0w-20 or is the chart a blend?


2019 RAM 1500 Sport - Mobil 1 EP 0w-20, FRAM Ultra
2019 Audi e-tron technik (my wife hates it)
Re: *Noack Volatility - 20 grades [Re: OVERKILL] #5422375 05/06/20 08:07 AM
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buster Offline OP
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Originally Posted by OVERKILL
Are these all 5w-20 or 0w-20 or is the chart a blend?


Sorry, those are 5w20's.


2020 - Mazda CX-30 - Mobil 1 EP 0w20
2019 - Subaru Impreza - Dealer Oil
Re: *Noack Volatility - 20 grades [Re: buster] #5422380 05/06/20 08:09 AM
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4WD Offline
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What is data source ? Do you have that chart in 0w20 …?

Re: *Noack Volatility - 20 grades [Re: buster] #5422396 05/06/20 08:22 AM
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buster Offline OP
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The data source in that photo came from Amsoil, but it is correct because it matches most of the data sheets and also a 3rd party (the Spanish youtube video I posted). However, the Amsoil 0w20 tested 9.5% and not 8.5% per Amsoil data sheet. This is due to the poor repeatability of the Noack test.

Driven Noack came from Driven.

https://www.youtube.com/watch?v=dn_gUbx36kQ

This lab showed Amsoil at 9.5%. Amsoil is also using 10-15% ester in their base oil, rumored to be from Croda.

https://www.crodalubricants.com/en-gb/discovery-zone/product-range/ester-base-oils


2020 - Mazda CX-30 - Mobil 1 EP 0w20
2019 - Subaru Impreza - Dealer Oil
Re: *Noack Volatility - 20 grades [Re: 4WD] #5422397 05/06/20 08:24 AM
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Looks like an Amsoil sponsored chart...


2005 Ranger 3.0 - SuperTech Syn 0w-20/Motorcraft
2000 4Runner 3.4 - SuperTech Syn 5w-30/Toyota
1997 B2500 Van 3.9 - M1 HM 10w-30/Mopar
1993 F150 4.9 - SuperTech Syn 5w-30/Motorcraft
Re: *Noack Volatility - 20 grades [Re: ka9mnx] #5422403 05/06/20 08:29 AM
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buster Offline OP
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Originally Posted by ka9mnx
Looks like an Amsoil sponsored chart...


It is, but I've found it to be fairly accurate. Companies will usually take the lowest number they get from this test, which does have variability.

*SA of Amsoil is 1.06
SA of Redline is 1.19

There is much debate whether SA is a factor in IVD's as you've seen in other posts. There seems to be a divide in the industry with Lubrizol on one side and some on the others. Most engines today are direct injection, so this is a pretty important issue IMO.

No one is worried about cam lobes wearing out as all oils crush the IVA wear test lol.


2020 - Mazda CX-30 - Mobil 1 EP 0w20
2019 - Subaru Impreza - Dealer Oil
Re: *Noack Volatility - 20 grades [Re: buster] #5422418 05/06/20 08:45 AM
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adamsoil Offline
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Lol noack the current trend to find the best oil...

Re: *Noack Volatility - 20 grades [Re: adamsoil] #5422432 05/06/20 08:52 AM
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buster Offline OP
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Originally Posted by adamsoil
Lol noack the current trend to find the best oil...


LOL there is much more to an oil than any one specification. cheers Being most engines today are GDI, Noack and SA are two highly important numbers to consider


2020 - Mazda CX-30 - Mobil 1 EP 0w20
2019 - Subaru Impreza - Dealer Oil
Re: *Noack Volatility - 20 grades [Re: buster] #5422456 05/06/20 09:11 AM
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buster Offline OP
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Anyway the point I was making is that they are all very good now.


2020 - Mazda CX-30 - Mobil 1 EP 0w20
2019 - Subaru Impreza - Dealer Oil
Re: *Noack Volatility - 20 grades [Re: buster] #5422496 05/06/20 09:47 AM
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Uncle Dave
Cat 3126/2 MB3500/Titan/RX400H/17 Ridgeline
700HP V10/ 725HP BBC/ Raptor 700/ KFX450/ YZ250/Onan 8K/ Cat3011C
Re: *Noack Volatility - 20 grades [Re: UncleDave] #5422498 05/06/20 09:48 AM
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Originally Posted by UncleDave


That is very good. cheers


2020 - Mazda CX-30 - Mobil 1 EP 0w20
2019 - Subaru Impreza - Dealer Oil
Re: *Noack Volatility - 20 grades [Re: buster] #5422513 05/06/20 10:03 AM
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I thought some of the valvoline syn 5w-20 was very low, 5.5-6.5% I thought?

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