- This topic has 3 replies, 3 voices, and was last updated 12 years, 5 months ago by .
-
Topic
-
The difference is the additive package. It is hard to tell all of what they do to the additive package as it is proprietary._x000D_
_x000D_
The high mileage oil does have more seal swelling action which may cause seal seepage leaks to slow or stop. It probably won’t
- You must be logged in to reply to this topic.