Quote:
Originally Posted by kyrix1st
Just noticed that HTHS for M1 ESP formula 0w40 is 3.53. Isn't this lower than what used to be 2 years ago? Might explain why it no longer carries LL01 specification.
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ESP is different than FS.
FS has 3.6. Reason for dropping LL01 is higher oxidation of 0W oils that have HTHS above 3.5.