[Formulajones]

Originally Posted by Steve C.

Fact or Myth: Synthetic Oil Causes Leaks

https://www.youtube.com/watch?v=v04QEj84Rv4

Specific esters, called seal swell agents (SSAs) blended into the oil help remove chances of shrinking seals. SSAs are seal conditioners that clean the seal, and the PAOs lubricate the cleaned seal.


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I chuckled a bit at the first part. Synthetics have been around a lot longer than the late 80's and early 90's. Pretty sure Amsoil was established in 72-ish. That tidbit aside, I agree.