tag:blogger.com,1999:blog-27343226.post8481658285752484742..comments2023-11-12T21:46:47.852-06:00Comments on Midwestern Wanderer: For My FatherAaron W. Thornehttp://www.blogger.com/profile/09265357352225836802noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-27343226.post-55797837720577426622010-11-10T20:01:30.317-06:002010-11-10T20:01:30.317-06:00Though I understand the technical talk, I am not f...Though I understand the technical talk, I am not familiar with the chemistry. I know from personal observation that the changes made in motor oils over the years have been needed to meet conflicting requirements. It's complicated.Arnold Observerhttps://www.blogger.com/profile/09276143747459802739noreply@blogger.com