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You wouldn't want to test oils with zero combustion process and go around the internet pimping your results as proof of best oil unless you are in grade school.
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What rat hack says about hths....
HTHS (High-Temperature/High-Shear) test data only provides information on how capable various motor oils are at maintaining their viscosity under high heat and high stress conditions. But, that HTHS viscosity data DOES NOT provide any information at all about an oil’s wear protection capability. Because a motor oil’s viscosity DOES NOT determine its wear protection capability. and so yada yada
What MACHINE lube says..
Viscosity at Operating Conditions
In the early years of automotive engines, oils were simply formulated and obeyed Newton’s equation for viscosity - the more force used to make the fluid flow (shear stress), the faster it would flow (shear rate). Essentially, the ratio of shear stress to shear rate - the viscosity - remained constant at all shear rates. The engine oils of that time were all essentially single grade and carried no SAE “W” classification.
This viscometric relationship changed in the 1940s when it was discovered that adding small amounts of high-molecular-weight polymers appeared to give the oil the desired flow characteristics for both low-temperature starting and high-temperature engine operation. Accordingly, these polymer-containing oils were listed by the SAE viscosity classification system as multigrade engine oils, as they met the requirements of both viscosity temperature zones.
Since that time, multigrade oils (e.g., SAE 10W-40, 5W-30, 0W-20, etc.) have become very popular. However, they were no longer Newtonian in flow characteristics, as the viscosity was found to decrease with increasing shear rate. This was considered important in lubricating engines that operated at high shear rates (as measured in millions of reciprocal seconds), in contrast to the several hundred reciprocal seconds of the low-shear viscometers then being used to characterize engine oils.
Consequently, the need arose to develop a high shear rate viscometer to reflect the viscosity in engines under operating temperatures. In the early 1980s, an instrument and a technique were developed that could reach several million reciprocal seconds at 150 degrees C as well as exert high shear rates at other temperatures on both fresh and used engine oils. The instrument was called the tapered bearing simulator viscometer. The technique was accepted by ASTM as test method D4683 for use at 150 degrees C (and more recently as D6616 for use at 100 degrees C). This critical bench test of engine oil quality became known as high temperature, high shear rate (HTHS) viscosity. Minimum limits were then imposed for various grades in the SAE viscosity classification system.
Interestingly, it was later shown that this instrument was unique and basically absolute in providing measures of both shearing torque or shear stress and shear rate while operating. It is the only known viscometer capable of doing this.
So, Rat hack fundamental flaw is not making a test that understand this dynamic in engine oil. To heat oil to operating temp and do a one arm bandit and say this is the end all in engine oil testing is something a 9th grader would do. Your 15 minutes of fame is long over dude, if you want respect of the oil guys rolling around develop a long term high heat test that sees through low quality base oils, your test DOES NOT. How blind are you to not see this???