That TBN is just plain scary. Is it safe to assume then that oil retains its TBN on highway driving vs city (stop&go) driving?quote:
Originally posted by farrarfan1:
http://theoildrop.server101.com/ubb/ultimatebb.php?ubb=get_topic;f=3;t=002117#000000 [/QB]

That guy drives 250 miles!!!

