Perhaps this is just common sense, IMO, using *a* synthetic of any brand as well as changing it often will get you 99% of the way towards any hard-researched and $$ spent for a top oils ultimate performance gain.
3 of our 4 cars are turbocharged, and they have all received Ye Olde Mobil 1 and a good filter - often - from Day One.
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