EPA required it. i saw an article in regards to it, cant find exact but this also describes it
http://www.isettaclassics.com/news/news_moreinfo.php?id=37
rotella is now CJ-4
http://www.wellworthproducts.com/tech-articles/19.html
EPA required it. i saw an article in regards to it, cant find exact but this also describes it
http://www.isettaclassics.com/news/news_moreinfo.php?id=37
rotella is now CJ-4
http://www.wellworthproducts.com/tech-articles/19.html