I was just wondering what grade and type of oil you all are using. By this I mean, for example, Castrol 5W30 etc. I am also curious as to what your observations are such as smoother running engine, excessive oil consumption, louder lifter noise etc. I'd especially like to hear from those who are running much thicker oils than the 'preferred' 5W30 and the reasons for using the thicker oils. I have been doing a lot of research on the forum posted below and it has gotten me curious:
http://theoildrop.server101.com/ubb/ultimatebb.php?category=1
http://theoildrop.server101.com/ubb/ultimatebb.php?category=1