J Jaybird Joined Jul 8, 2005 Messages 608 Location So. IN Nov 28, 2007 #21 Both API SM and ILSAC GF-4 require: ASTM D 4951, phosphorus % mass, 0.06 MIN., 0.08 MAX.
J Jim 5 Joined May 25, 2005 Messages 4,009 Location Calgary Canada Nov 30, 2007 #22 Great discussion, thanks for everyone's contributions!
