Kev,
Cool oil can aside, not to mention the not so subtle innuendo that many are just mindless shills for buying said can with no regard for contents; my good friend and Porsche air cooled mechanic of 45 years, sent said oil for independent analysis as he does periodically with all the oils he puts in his customers air cooled cars, and this oil rated as one of the top three across perameters of thermal break down, lubrocity, zdp level, detergents, etc. if the shiny can works for him and the many Unobtanium priced classics I could only dream of owning, it certainly works for me.
Now where is that Valvoline sale going on?