Originally Posted By: engineerscott
I wonder if the SN version of PU will show the high moly content that PYB currently has? I suppose if it already met the SN requirements then there will be no change, still something interesting to keep an eye on.
I doubt it because they would have to lower the detergency of the oil or reduce boron (used to protect seals and yellow metals in SM Ultra) in order to keep the sulfated ash test value roughly the same, assuming they keep ZDDP concentration roughly the same.
