Car was autox'ed may be 4-5 times, including one full autox school day
It seems like 10K on Mobil1 is nothing exceptional.
This time I put Honda 0w20 (local dealership had huge sale), so far engine seems to rev a bit easier.
Not sure about sodium thou.
Old test is here http://theoildrop.server101.com/cgi/ultimatebb.cgi?ubb=get_topic;f=3;t=002585#000000