Either one is stiff as all get-out at 15 below.
Curt Raymond via Mercedes <mailto:mercedes@okiebenz.com> March 3, 2017 at 9:39 PM 15w50 synthetic or 15w40 conventional oil? 15w50 is still better than 15w40, it flows much better at low temps. -Curt
_______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com