Originally Posted by Nessism
I use regular motor oil on my chain. Well actually, it's over priced Mobil One 20w-50 (the thick stuff). It gets down inside the rollers just fine. Chain runs super quiet but kind of messy.
I've never had a problem with it penetrating the rollers either. If it's too thick to get in a bike chain it isn't going to be much use in a motor engine where there are much tighter spaces that need lubrication.