It seems as though ESP is the new darling, is FS Euro not the Top Tier of M1 any longer?
I've been running FS 0/5W-40 in my Pentastar 3.6 and wife's Toyota 2.7 1AR
Neither engine consumes any appreciable oil, and I run 5k OCI on the Pentastar and 6.5k in the Toyota changing filters every other...