Liqui-moly new generation oil

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Again, where are you getting the values for film strength to say that one is stronger than another?

Does the ACEA series of tests report film strength numbers?
 
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What he's trying to explain is that HTHS-viscosity is just that: One more viscosity value related to film thickness for an elevated temperature level and medium shear rate. User Gokhan has covered much illustration and table work for interpretation of HTHSV.

Something like film strength was claimed by these NEO people with their "SAE 0W5" 0W-20 oil: https://www.bobistheoilguy.com/foru...233b-can-anyone-explain-it.60657/#post-767173

I could be interested in versions that closed some of the gap between gear and engine oils, as long as they wouldn't lead to problematic EP additivation. But even with a rotary engine no prime concern.
 
What he's trying to explain is that HTHS-viscosity is just that: One more viscosity value related to film thickness for an elevated temperature level and medium shear rate. User Gokhan has covered much illustration and table work for interpretation of HTHSV.

Something like film strength was claimed by these NEO people with their "SAE 0W5" 0W-20 oil: https://www.bobistheoilguy.com/foru...233b-can-anyone-explain-it.60657/#post-767173

I could be interested in versions that closed some of the gap between gear and engine oils, as long as they wouldn't lead to problematic EP additivation. But even with a rotary engine no prime concern.
Neo Synthetics is so full of nonsense they don't know which end is up.
 
They were mentioned recently, I just remembered that they'd filled it in.

The Biosynthetic people had shown some 4 Ball wear / weld for their BT4 and up at least. They could find my interest, although never tried to find other base oil data for these tests either.
 
They were mentioned recently, I just remembered that they'd filled it in.

The Biosynthetic people had shown some 4 Ball wear / weld for their BT4 and up at least. They could find my interest, although never tried to find other base oil data for these tests either.

What exactly does an EP test, designed to validate the performance of EP additives in gear oils and greases, have to do with this?
 
...have to do with what? Shouldn't have mentioned the 4 Ball tests because they're no film-strength testing?
GalaxyS8 essentially seemed to be interested in an emphasis on more or more transparent wear protection testing.

But your right, some of this must have been mixed up in my poor mind with some recent fighting against wrong youtube consumption...
 
My personal interest would be caused by side gears in the rotary engine.
 
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...have to do with what? Shouldn't have mentioned the 4 Ball tests because they're no film-strength testing?
GalaxyS8 essentially seemed to be interested in an emphasis on more or more transparent wear protection testing.

But your right, some of this must have been mixed up in my poor mind with some recent fighting against wrong youtube consumption...

The 4-ball test has zero relevance to engine oils, which is why it isn't included in any of the API and ACEA sequences, despite existing as a valid testing mechanism.
 
Their BT line being base oils for gear and engine oils obviously had them publish these. And as mentioned, some may have different ideas. You'd have to ask GalaxyS8 about his thoughts to make sure I didn't do him wrong. My engine may want something different in some regards, this also could remain allowed and have me have half an eye on "versions that closed some of the gap between gear and engine oils", as I wrote.

Let me know how I can be of any further assistance to get over it ;-)
 
Neo Synthetics is so full of nonsense they don't know which end is up.

I'm not qualified to make an assessment of that comment, but NEO has a @gmail.com business email address 🤦‍♂️
Also, they never mention what those limitations are...' From a youthful interest in a neighborhood sprint car to a genuine concern regarding the limitations of existing oil products '

The one thing I hate about Redline is the shape of their 1qt containers...and NEO decided to copy them! :mad:
 
Their BT line being base oils for gear and engine oils obviously had them publish these. And as mentioned, some may have different ideas. You'd have to ask GalaxyS8 about his thoughts to make sure I didn't do him wrong. My engine may want something different in some regards, this also could remain allowed and have me have half an eye on "versions that closed some of the gap between gear and engine oils", as I wrote.

Let me know how I can be of any further assistance to get over it ;-)

It's the additives in EP oils that make the performance in the 4-ball test, not the base oils. All base oils without EP additives are going to perform extremely poorly, which is why the test is run on formulated products, not base oils, just like it isn't run on PCMO's :ROFLMAO:
 
For correction, critique and getting laughed at I'm open. If only you don't make it look like throwing everything at me as if you never read more than three words of it at a time ;-)
So, did they run it on their base + additives or even a blend + additives? I was under the impression they'd just shown their product, the base oil. But as mentioned I never cared to compare with other bases (or formulated oils or result ranges) yet. If that's what they did, let's say you got me on that. The results looked lower to me than I'd expected for formulations, but never checked. I may see what they did or how it compares.
 
That's been "unaddized" they say:

BT4.jpg


Even so show me your smile anytime. No idea, what to think of it. Will still have to look into 4 Ball testing some day.
 
Do low viscosity oils like 0w20 /0w16 result in noticable reduction in fuel consumption? Compared to say 5w30?
 
For correction, critique and getting laughed at I'm open. If only you don't make it look like throwing everything at me as if you never read more than three words of it at a time ;-)
So, did they run it on their base + additives or even a blend + additives? I was under the impression they'd just shown their product, the base oil. But as mentioned I never cared to compare with other bases (or formulated oils or result ranges) yet. If that's what they did, let's say you got me on that. The results looked lower to me than I'd expected for formulations, but never checked. I may see what they did or how it compares.

The purpose of the test is for screening for EP properties of gear oils (and there is a grease version). AMSOIL has used it considerably in the past to show the "superiority" of their engine oils, despite the test's lack of applicability to that role for example. It's kind of like showing which UHP summer tire is the best in sand, follow? While the testing methodology might be sound, that's not the appropriate test for the product :)

Screen Shot 2020-08-12 at 9.39.18 AM.webp


This link (which I'm surprised still works) from Mobil also covers it:
https://www.mobil.com/en/lubricants...trength-of-mobil-1-compared-with-royal-purple

Mobil said:
Oil film strength of Mobil 1™ oil compared with Royal Purple®

Question
“Does Mobil 1 oil have less oil film strength than Royal Purple®? I have seen many times the friction test of oils using the machine that tests the oil film, test result shows that Royal Purple has more friction protection that Mobil 1 oil does,seeing these results makes me think that Mobil 1 oil is lacking some benefits, therefore Royal Purple has the better protection of all.”
Guillermo Tristani, Miami, Oregon

Answer
There are certain oils in the market today that use EP (extreme pressure) additives in their motor oil that are really designed for gear oils and not motor oils. Extreme pressure additives are typically not used in motor oils for a number of reasons, but the most important reason is that they can cause engine corrosion over time. The rigs being used in these demonstrations are primarily designed for industrial applications like gear oils where extreme pressure is a necessary and important performance feature. These demonstration rigs have very little to do with modern engines, which is why market leading oils in the industry perform poorly in these tests.
 
Do low viscosity oils like 0w20 /0w16 result in noticable reduction in fuel consumption? Compared to say 5w30?


They are one factor in increasing fuel economy. You may not notice it much. Your right foot has a bigger effect on your fuel economy as well as properly inflated tires and a well maintained engine.

If 0w20 is specified for your vehicle then run it with no worries.
 
Don't follow, no. That's not where I'm coming from, I couldn't care less how Amsoils advertising worked or how you're prepared to fight wrong youtube consumption, listen? As long as you pretend to be writing it down for me ;-) you'd really have to address at least a bit of what I explained from #44 on.
Shall I repeat over and over that I'd allow "versions"? If I'd allow versions I might also allow just this test as is – to be used to show some performance to me, right?

To put it just another way: Could the test be used for, let's say, testing ATF? An early Dexron once had been proposed to be burned in rotary engines. And actually performed favourably in regard to carbonaceous deposits and else at some time, but GM pulled from the rotaries and dropped the rotary adjustments for the Dexron. So today I'm not about to have Dexron make the rotary run, I know nothing about automatic transmission fluids as an engine oil, would you?
But I may be about to get to know some 4 Ball test performance of base oils or even fully formulated engine oils. Are you actually trying to nudge me into Amsoil when telling me that they used to show whatever in their engine oil product? I may have done you wrong, you're more constructive than I first thought. Don't expect me to follow into Amsoil, but still thank you now.
 
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