[2020M2Competition]

Virgin Oil Analysis of Motul 8100 X-cess gen2 5W40

[F87source]

Originally Posted by 2020M2Competition

Virgin Oil Analysis of Motul 8100 X-cess gen2 5W40

Huh I thought this was alot better than PPE 5w40, but in this VOA it doesn't have more zinc at all. Maybe it isn't that much better if better at all.


IIRC base stock was more stout though.

[F87source]

Looking at your PPE 5w40 VOA (https://f87.bimmerpost.com/forums/sh....php?t=1840235), PPE has more Moly by quite a bit although below 100 ppm, more boron, alot more magnesium, and more phosphorous. It also has alot less calcium and just a tiny bit less zinc.


Looking at PPE vs. Motul in terms of anti wear additives: PPE has alot more moly and a tiny bit more phosphorous while being a bit behind in zinc vs. motul. So overall I would think the PPE 5w40 has more anti wear additives overall.


Looking at PPE vs. Motul in terms of detergents/dispersants: PPE has alot more boron, nearly 50% less calcium (which is really good to reduce LSPI even though our cars don't suffer from it it is good imo to try and mitigate this on tuned cars especially), and PPE has ~70X more magnesium (I have heard it is a better detergent than calcium and it also reduces LSPI) to make up for the lack of calcium as a detergent.


TBN on PPE is also higher meaning it has more additives left initially and should last longer.


So imo PPE looks alot better than motul in terms of the additive package they use, not just a bit better but alot better because it is magnesium heavy instead of being calcium heavy and has more anti wear additives while while only being a bit behind in terms of zinc levels. (Oil blends always fluctuate so these numbers might not always hold true, except in the case of huge deltas in numbers).


Maybe the difference between the two oils is not as big as I thought and PPE might even be better.

[PackPride85]

Motul is a bit thicker as well vs PPE. If you want a real test Of which is better will need UOA from each after track day.

[F87source]

Originally Posted by PackPride85

Motul is a bit thicker as well vs PPE. If you want a real test Of which is better will need UOA from each after track day.

Correct you will need to see use cases to accurately determine what's better. But I was comparing additive packages to see which one looked like it had a better package.


Also thicker doesn't mean it's better, for instance since both have the same hths the thinner one could point at a more stout base stock because it is able to handle sheer better even though it's a thinner oil. Pour point would tell if higher grade base stock was used too if it is abjlw to flow at super low temps despite being a higher weight oil, like Mobil1 0w40 can flow even at iirc -50C or even lower, and it's true Mobil1 had alot of paos in it.

[edycol]

Zinc level is down probably to meet timing chain requirements by certain manufacturers.
I wouldn't look too much into additives in VOA. UOA is more relevant if two oils compared.
PPE is stout oil, but there are some issues around that oil too:
1. Generally much thinner than what is advertised. But, VOA by Blackstone is not mostly dead spot as methodology is geared toward UOA.
2. Flash point of PPE is always down more than other oils after 5k. It seems they have issues around GTL base stock and flash point.

Both oils are from top tier manufacturers. Both will do good. What fits certain driver and exploitation should be based on UOA.