H Highline9 Joined Aug 24, 2011 Messages 531 Location ca. Aug 2, 2016 #1 New line of 15w40 or marketing scheme? Shell has been showing commercials on tv.
B bullwinkle Joined Oct 9, 2004 Messages 14,574 Location Cincinnati, OH, USA Aug 2, 2016 #2 CK-4 spec.
C Chris142 Joined Jun 5, 2003 Messages 28,030 Location Apple Valley, California Aug 2, 2016 #3 Is it backwards compatible?