Attached, are the safety data sheets (from the manufacture's websites) for both products. Both indicate that the primary ingredient is CAS 64742-54-7, which is a Group 3 base.
New GF6 Kendall 0W20 vs Amsoil OE 0w20
- Thread starter JWB
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but thanks for posting this again 
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Yep. Not even sure what the debate is.
And at PC prices, OE may not be the lowest cost but it's not crazy high price either.
Just received 4 Gallons OE 0W-20 today, didn't have to stop at the store as it's at my door! Seems weird but I know AMSOIL is fresh, the do not over produce, some oils at stores are rather old.
Does seem weird, yes. That whole over production thing.
The term synthetic could perfectly well describe crude oil molecules
whose shape had been fundamentally altered by chemical engineering. In
a 1999 decision by the Better Business Bureau’s national advertising
department, chemically engineered and reshaped petroleum-based oils
can be called synthetic. This is because what is important is that, in
both cases, desirable, higher-performing uniform structures have been
created, not just separated out of petroleum as cream is separated
from milk.
To improve a mineral oil the Waxy stuff had to go because it made oil
congeal at winter temperatures. Aromatics had to go because they lost
viscosity too rapidly when hot. Unsaturates had to go because they
were vulnerable to heat-driven gumming and sludging. And so on.
whose shape had been fundamentally altered by chemical engineering. In
a 1999 decision by the Better Business Bureau’s national advertising
department, chemically engineered and reshaped petroleum-based oils
can be called synthetic. This is because what is important is that, in
both cases, desirable, higher-performing uniform structures have been
created, not just separated out of petroleum as cream is separated
from milk.
To improve a mineral oil the Waxy stuff had to go because it made oil
congeal at winter temperatures. Aromatics had to go because they lost
viscosity too rapidly when hot. Unsaturates had to go because they
were vulnerable to heat-driven gumming and sludging. And so on.
With respect to TBN, I understand going lower on calcium and boosting magnesium with the new LSPI issues lowers the TBN we traditionally talk about. It remains to be seen if you get more for your money out of what TBN is there. Meaning it doesn't fall as quickly despite starting lower.
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