An e-mail reply from Mobil One said they do use PAO stocks.
I think I posted that on the first page?
From what I've seen from that oil site - as well as from the friend who is a chem engineer - you are correct about the Delvac and Rotella T - they appear to be a better choice than M1. Apparently M1 is somewhat of a joke anymore amongst the people who are professionals that deal with this type of thing.
3.4L, SC heads, 964 cams, B&B headers, K27 HF ZC turbo, Ruf IC. WUR & RPM switch, IA fuel head, Zork, G50/50 5 speed. 438 RWHP / 413 RWTQ -
"930 is the wild slut you sleep with who tries to kill you every time you "get it on" - Quote by Gabe
Movie: 930 on the dyno