V vinu_neuro Joined May 9, 2005 Messages 1,224 Location Chicago Jun 8, 2012 #1 What kind of Zn/P package do ATF's use? Not ZDDP looking at VOA. Most atf's have 250-500 ppm P, but next to no Zn. Also what was Honda doing with this in Z1? 350-450 ppm Zn, but not almost no P. Last edited: Jun 8, 2012
What kind of Zn/P package do ATF's use? Not ZDDP looking at VOA. Most atf's have 250-500 ppm P, but next to no Zn. Also what was Honda doing with this in Z1? 350-450 ppm Zn, but not almost no P.
MolaKule Staff member Joined Jun 5, 2002 Messages 24,039 Location Iowegia - USA Jun 9, 2012 #2 ATF's use mostly a sulfur/phosphorus AW package. The zinc is usually a zinc ester and is used as a secondary oxidation and metal inhibitor. Since Honda's tranny's are hydraulically asssited manual transmissions, who knows.
ATF's use mostly a sulfur/phosphorus AW package. The zinc is usually a zinc ester and is used as a secondary oxidation and metal inhibitor. Since Honda's tranny's are hydraulically asssited manual transmissions, who knows.