B BBDartCA Joined Apr 4, 2010 Messages 671 Location Washington State May 13, 2010 #1 http://www.machinerylubrication.com/Read/2170/oil-drain-interval-tan-tbn
G Gator Joined Nov 26, 2009 Messages 304 Location Alabama May 13, 2010 #2 so people that has run their oil down to a 2.0 or lower tbn is causing damage.
D d00df00d Joined Oct 20, 2005 Messages 12,112 Location PA May 13, 2010 #3 Originally Posted By: Gator so people that has run their oil down to a 2.0 or lower tbn is causing damage. Depends on the oil.
Originally Posted By: Gator so people that has run their oil down to a 2.0 or lower tbn is causing damage. Depends on the oil.