All Discussions Groups Jobs Rules Community Stats 10W40 DiscussionsUsed Oil Analysis10W40 All discussions Discussions with Comments Discussions (no comments) « Back to Previous Page Tweet ▲ 4 ▼ ♥ 0 what are the analyzes that proves an oil is a 10w40 for example? Please Sign-up / Sign-in to read the entire article. Marked as spam Posted by Khaled Daas (Discussions: 1, Comments: 0) Replied on August 10, 2018 12:00 am Category: Used Oil Analysis 12 views Follow Unfollow « Back to Previous Page Please Sign-in to post a discussion or comment. Sign-up / Sign-in