I contacted Valvoline and had them send me the PDS for the SN/GF-5 Napa synthetic. I've seen a few people ask for this and never seen this (revised 3/2011 with 0w20) version posted.
Strange that they list the 0w20 as having more calcium than the other viscosites.
Strange that they list the 0w20 as having more calcium than the other viscosites.