[Luxter]

Originally Posted by tom mulqueen

To All, thanks for the advice. I'll take it from here.

And here:

http://forums.pelicanparts.com/porsche-911-technical-forum/367300-ultimate-motor-oil-thread-why-we-hate-cj4-sm-oils.html

And here:

http://www.911uk.com/viewtopic.php?t=85575

And most importantly here (directly related to your (and mine) C2S):

http://www.hartech.org/docs/buyers%20guide%20web%20format%20Jan%202012%20part% 205.pdf

Happy reading!
Will try to add some more later.
L