Thanks Paul. Exactly what I was looking for! Mike Humbert 90 titanium w/160k ----Original Message---- Here you will find your base numbers on Mobil 1 oil. Mobil 1 has also changer their formula lately, it now contains more of the moly additive. http://theoildrop.server101.com/ubb/ultimatebb.php?ubb=get_topic;f=11;t= 000095 Paul Nimz '97 TR SHO '93 EG mtx SHO