That guy is a freeking idiot, how can he influence so many people with gibberish? When you change your oil, if you start it and run for any time at all, the "Dirty" oil in the HPOP reservior, flows down into the pan, and mixes with the other 13-15 qts you put in clean. Really, changing that little amount, makes no difference, you better remember to change the oil in the heads too, (Pull them off, drain and flush heads, remove all 8 injectors and drain too).......