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      07-30-2020, 08:26 PM   #23
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Quote:
Originally Posted by RagtagXMASTER View Post
in sport+ your water pumps are on constantly and drop your water temps to the 180-190F zone under normal driving, under heavier load i have seen it approach 210F but doesnt really go past it too much.

In efficient and Sport the water pumps turn on and off when needed same thing with electric fans. the normal temps are in the 230F range, well over boiling point of water. the coolant increases the boiling point but that just seems too hot to me.
Awesome info, thanks! I'll be posting up my lab analysis soon, just waiting on Blackstone and my Indy shop mechanic to reach out to me.
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      09-12-2020, 07:21 PM   #24
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this thread is giving me a lot to think about. I'm on a 5k OCI, started with OEM 5-30, then to 0-30 as 5-30 was discontinued, and my Blackstone basically looks like this all the OEM oil reports posted here.

I'm debating if I want to move on to Molygen 5-40. Can anyone confirm this is the oil being used by people here? https://www.fcpeuro.com/products/5w4...i-moly-lm20232


Anyways, my driving style has changed significantly. Car no longer is DD and when it comes out, it is driven hard, after oil temps are up to 220 of course. I see the shear on the 5-40 and 5-30 Liqui Moly is certainly better, but ultimately, I'm leaning to sticking with OEM 0-30 for the cold flow properties as 0-30 SUS still shears down to a 30 weight oil, albeit barely, but the cST is at 9.5 which is great for a lot of the around the town, short distance low throttle driving.

Report also shows minimum metals, no fuel in oil, plenty of moly.

Any thoughts?
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      09-12-2020, 07:29 PM   #25
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Quote:
Originally Posted by RagtagXMASTER View Post
I will drop my my oil reports here as well. here is my google doc i made of all of my blackstone reports so far.

https://docs.google.com/spreadsheets...it?usp=sharing

this should be a really good oil comparison thread with some good forth coming information and data
so I see that 5-40 shears down to a 30 weight oil at all temps. What do you think regarding cold flow properties?

What do you think of your moly reading? All the OEM 0-30 reports show double the count of moly in the oil than Liqui Moly 5-40.
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      09-13-2020, 01:40 AM   #26
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I'm attaching my Blackstone report. I'm somewhat flattered by the "spectacular" verbiage used by them. My car is fairly modified and even though I don't track the car, it is seeing redline routinely. I am pleased that the S63TU is holding up without a hiccup and I'm also very pleased with the results of the Special Tec 5W/30. It's been a great oil for the last 10,000 miles on this car.

I've reached out to Liqui Moly and they were interested in having someone discuss their oils a bit more on the forums but I'm not sure that would be allowed here given they aren't a sponsor. Thought it would be helpful for us here, especially those of us really looking for long term guidance on how to keep these engines happy. I know my M6 isn't going anywhere anytime soon.

-m
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File Type: pdf Blackstone 35k August 2020.pdf (17.4 KB, 13 views)
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      09-14-2020, 03:52 PM   #27
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I jut ordered another batch of 5W40 LiquiMoly Molygen it will be my 3rd oil change with it ,I also have an oil analysis kit I will send in /the only downside is my oil only has around 2K miles on it ,I dont go over that, we can see what the difference is with an earlier change vs a 5k change,
The oil has been great so far I dont have to add any oil for the 2k intervals, I only install the 9 liters it calls for, Im running a DME stage 3 tune with burbles ,im actually curious to see if there is any excessive fuel in the oil due to the tune, but so far everything is great , I nicknamed the oil Predators blood!
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      09-16-2020, 12:07 PM   #28
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Quote:
Originally Posted by Flying Ace View Post
so I see that 5-40 shears down to a 30 weight oil at all temps. What do you think regarding cold flow properties?

What do you think of your moly reading? All the OEM 0-30 reports show double the count of moly in the oil than Liqui Moly 5-40.
with the oils both being a 5W rated oil i would say they have very similar cold flow properties. I would say the 30 will have better cold flow as it has less friction modifiers in it than a 40 weight. I don't really drive my car in cold climates though under freezing, I get close to it about 40F, but never really drive below freezing and if I do, I have the car parked in a garage to keep it around 40F anyways.

The purpose of molybdenum is to provide a dry friction material, and its counted as a wear agent. the reason i see the moly oil having less of it in the oil that is drained is because the moly is actually micro polishing the metals. that is both good and bad. you want the metal to be rough enough for oil to stick and grab on, while being still smooth for low friction. its bad for moly to over micro polish because then the oil never actually grabs the metal and its is just the molybdenum finish that is the lubricant.

Seeing the lower levels of molybdenum would indicate to me there is low cold start wear occurring since molybdenum is typically worn in the cold start segment of oil lubrication. I am no expert in this stuff, but that is what i have come across in my research thus far.
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