R ruby New Member Mar 31, 2011 #1 yea with the new oil API rating of SN out there now what oil are we safe to use. there is almost no ZDDP left to protect the valve train especialy the cam and lifters. what are we to use.
yea with the new oil API rating of SN out there now what oil are we safe to use. there is almost no ZDDP left to protect the valve train especialy the cam and lifters. what are we to use.
Dr Honda Well-Known Member Mar 31, 2011 #2 Everything is roller now, or direct bucket contact. That's why they can get rid of the Zn. If you are worried... or are feeding older engines... either buy syth, or a Zn fortified oil.
Everything is roller now, or direct bucket contact. That's why they can get rid of the Zn. If you are worried... or are feeding older engines... either buy syth, or a Zn fortified oil.
