What's the diff between these two oils?

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IDK but, just from a quick look at your links, it seem that the differences could just be approved certifications. Other members may know/see more.
 
They both have Porsche PA40 specs but the
2nd one is slightly higher in viscosity.
Not sure which would be better for you.
 
High Tech :

ACEA A3
ACEA B4
API SN
BMW Longlife-01
MB-Freigabe 229.5
Porsche A40
Renault RN 0700
Renault RN 0710
VW 502 00
VW 505 00


Synthol Premium (Older OE Specs for Mercedes and BMW):

SPECIFICATIONS/APPROVALS:
ACEA A3/B4
API SN/CF
BMW Longlife-98
MB 229.3
VW 502 00, 505 00
Porsche A40
 
Curious why the choice is between those two lubes?

- The Leichtlauf High-Tech is a Synthese product, so it isn't PAO-based.
- The Synthoil Premium appears to be a US-only product, as it doesn't appear on the International site. With a Noack of 12.9%, and an MSDS that says it's entirely Group III, this also doesn't scream "premium product" to me
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Just for Information:
The Motul X-cess 5w-40 is meanwhile clearly labeld as Group III Oil here in germany, prevoiusly it was labeld and marketed as Group IV oil.
Motul was kicked in the butt at court by annother oil company here in germany for mislabeling / wrong advertising.

I think the difference between Motul and Liqui moly is very small, quality wise.
 
Originally Posted by UG_Passat
Originally Posted by Jimmy_Russells
I would get this instead personally:

https://www.amazon.com/Motul-Synthe...qid=1552061702&s=gateway&sr=8-23




Like the Liqui Moly asked earlier, Motul 8100 X-cess is just overpriced Group III oil.

Originally Posted by UG_Passat
Originally Posted by Jimmy_Russells
I would get this instead personally:

https://www.amazon.com/Motul-Synthe...qid=1552061702&s=gateway&sr=8-23




Like the Liqui Moly asked earlier, Motul 8100 X-cess is just overpriced Group III oil.


Is $6.60/qt for a 911 supposed to be expensive? Is there a readily available group iv option around the same price?

Edit- I see the Mobil 0w40 is $25 at Walmart. I think I'd pay the $10 not to have to go there. lol
 
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Why exactly is a PAO base important?

Mobil 1 0W-40 is $25 everywhere - you don't have to buy it from Walmart, and it is still the best, most commonly used oil for the M96 engine. It is a proven oil.

If I was married to the idea of using Liqui Moly in my Porsche I would use Leichtlauf High Tech 5W-40.
 
Originally Posted by rooflessVW
Why exactly is a PAO base important?

Mobil 1 0W-40 is $25 everywhere - you don't have to buy it from Walmart, and it is still the best, most commonly used oil for the M96 engine. It is a proven oil.

If I was married to the idea of using Liqui Moly in my Porsche I would use Leichtlauf High Tech 5W-40.


And if you do want PAO, the Castrol Edge 0w-40 product has a decent slug of it. Another option is Ravenol SSL 0w-40, which is PAO-based.
 
Originally Posted by Jimmy_Russells
Originally Posted by UG_Passat
Originally Posted by Jimmy_Russells
I would get this instead personally:

https://www.amazon.com/Motul-Synthe...qid=1552061702&s=gateway&sr=8-23




Like the Liqui Moly asked earlier, Motul 8100 X-cess is just overpriced Group III oil.

Originally Posted by UG_Passat
Originally Posted by Jimmy_Russells
I would get this instead personally:

https://www.amazon.com/Motul-Synthe...qid=1552061702&s=gateway&sr=8-23




Like the Liqui Moly asked earlier, Motul 8100 X-cess is just overpriced Group III oil.


Is $6.60/qt for a 911 supposed to be expensive? Is there a readily available group iv option around the same price?

Edit- I see the Mobil 0w40 is $25 at Walmart. I think I'd pay the $10 not to have to go there. lol


Here:
https://www.amazon.com/Castrol-03101-0W-40-Advanced-Synthetic/dp/B00JGQLZSU/ref=sr_1_3?crid=3BWUYKQWK7V8D&keywords=castrol+edge+0w-40&qid=1552239938&s=gateway&sprefix=castrol+edge+%2Caps%2C374&sr=8-3

$25.47 per 5 gallons.

Paying the premium for German and French Group III oil isn't worth it. It may be worth it for tires (Continental and Michelin), but not oil. For me to pay a premium, it needs to have some trick additive package and/or some esters in it.
 
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Clearly not the Motul X-cess.
I'm surprised Total oils didn't make their way to the US more than they did...Total Quartz 9000 Energy 5W40 is made in France too and very close to the Motul, for 1/3 of the price.
They also have an interesting 0W30 with Moly, Quartz Ineo first.
 
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In the german Oil Forum was a discussion again. No 0w-40 for high performance engines. Use a proper 10w-40 instead!
Why? 0w shears down, to much VI Improvers, thin baseoil, low HTHS, it´s only Marekting by AMG + Porsche.....
I cant stand this discussion anymore. Uuugh.

BTW, the last used oil analysis from Ravenaol where all not good. Al showed that the oil thinned down out of Viskositiy range quickly.

Best german Oil manufacturer is still Liqui Moly and Rowe. The used oil analysis look very good. I dont undertsand the constant bashing of Liquy Moly here in this forum. It is just proper, decent oil. Best selling brand in Germany. But, yes, maybe not worth the high import prices in the USA.
 
I agree that 0W-40 is more "form over function." It sounds sexy and is a universal fill for any climate, but the base oil in 0W-40 is as thin or thinner than 0W-20!
 
Originally Posted by ChristianReske
In the german Oil Forum was a discussion again. No 0w-40 for high performance engines. Use a proper 10w-40 instead!
Why? 0w shears down, to much VI Improvers, thin baseoil, low HTHS, it´s only Marekting by AMG + Porsche.....
I cant stand this discussion anymore. Uuugh.


You are making several spurious assumptions:
1. That a 10w-40 is "proper" due to its narrower spread
2. That the 10w-40 will have heavier base stocks than a 0w-40, not just cheaper ones
3. That a 10w-40 will have a lower VII treat rate than a 0w-40
4. That Porsche and Mercedes have no idea what they are talking about, and that A40 and the MB approvals can all be safely ignored because of some used oil analysis
5. That viscosity loss due to mechanical shear isn't accounted for in the design and testing

Originally Posted by ChristianReske
BTW, the last used oil analysis from Ravenaol where all not good. Al showed that the oil thinned down out of Viskositiy range quickly.


Define "not good". Viscosity loss can occur due to fuel dilution, was this accounted for?

Originally Posted by ChristianReske
Best german Oil manufacturer is still Liqui Moly and Rowe. The used oil analysis look very good. I dont undertsand the constant bashing of Liquy Moly here in this forum. It is just proper, decent oil. Best selling brand in Germany. But, yes, maybe not worth the high import prices in the USA.

Any oil with the same approvals will at least offer the same minimum level of performance, and that goes for the Liqui Moly products as well. used oil analysis are not a proxy for performance beyond "acceptable" and determining OCI length. This is why manufacturer approvals exist, to guarantee that the product has been tested, and deemed suitable for a given application.
 
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