That, and include the screenshot of the M1 spec page further up where it shows viscosity of 13.2. That should drive the point home.I would reply with just an SAE J300 chart and nothing else. See if he can figure it out.
That, and include the screenshot of the M1 spec page further up where it shows viscosity of 13.2. That should drive the point home.I would reply with just an SAE J300 chart and nothing else. See if he can figure it out.
I have sent him the latest J300 definition, asking if their definition of a 40 weight oil is different for some reason."We can re-test the viscosity, though there's a window for what the viscosity "should" be, and the viscosity of 11.91 cSt fell in that window. I'll have the lab run it again and update the report if it's noticeably different."
These incompetent numskulls need retraining. How can you work in an oil lab and not even know the oil grades? Pathetic.
I would reply with just an SAE J300 chart and nothing else. See if he can figure it out.
It’s some random tech that works at Blackstone, I don’t think they care that much. It’s also pretty on target for a 40 given Blackstone’s inability to measure KV100 correctly .I have sent him the latest J300 definition, asking if their definition of a 40 weight oil is different for some reason.
Are the SP forumulation a decrease in cal and an increase in magnesium? How does this change from a wear metals perspective?
The oil that can pre-detonate when it mixes with gasoline, that's what is introduced through the PCV system, right?It doesn't change it much, if any. It's more so a measure for low speed pre-ignition (LSPI) prevention. Keeping Ca under 1500 ppm keeps detonation at bay so an increase in Mg is warranted to get the same TBN / DI reserve. It's a bandaid more than anything. The more effective way to prevent LSPI is to increase ZDDP and MoDTC along with a slug of ester, but API won't allow that.
What is the downside of Mg, increased friction?It doesn't change it much, if any. It's more so a measure for low speed pre-ignition (LSPI) prevention. Keeping Ca under 1500 ppm keeps detonation at bay so an increase in Mg is warranted to get the same TBN / DI reserve. It's a bandaid more than anything. The more effective way to prevent LSPI is to increase ZDDP and MoDTC along with a slug of ester, but API won't allow that.
FWIW, they're a writer, not someone with a technical background. I doubt they care at all.It’s some random tech that works at Blackstone, I don’t think they care that much. It’s also pretty on target for a 40 given Blackstone’s inability to measure KV100 correctly .
Why would you be concerned about ZDDP?ZDDP numbers on the new SP bottle was unknown.
What is the downside of Mg, increased friction?
Curiosity?Why would you be concerned about ZDDP?
Revised report back, identical metals, new viscosity run:That, and include the screenshot of the M1 spec page further up where it shows viscosity of 13.2. That should drive the point home.
Same numbers on the elements because they didn’t run it through the ICP again. It would be highly unlikely to obtain the same values twice.Revised report back, identical metals, new viscosity run:
View attachment 209285
Revised report back, identical metals, new viscosity run:
View attachment 209285
Yeah, if you feel like spending more money, I'd try Oil Analyzers. I put it in the VOA Database with the updated viscosity (from 11.91 to 11.95). I suppose that could be right, but it seems too low...I would send another sample to someone else before assuming the KV100 is wrong.
Mobil wouldn't let that batch go out the door with the wrong viscosity. It's simple quality control, and no one botches something like that. I would not put it in the VOA database, as it will mislead others in the future.Yeah, if you feel like spending more money, I'd try Oil Analyzers. I put it in the VOA Database with the updated viscosity (from 11.91 to 11.95). I suppose that could be right, but it seems too low...
That is, without a shadow of a doubt, unequivocally, indisputably, and in every conceivable way, utterly nonsensical. In fact, it makes about as much sense as a screen door on a submarine.Didn’t Blackstone warned few years back that their VOA will have higher margin of error as they are focusing more on UOA (their words, not mine)?