1200 PPM (both advertised and checked as real)We gots to break you in on VOA's and UOA's at Bobistheoilguy.com.
They NEVER trust anybody's advertised ZDDP numbers unless they do a Virgin Oil Analysis to verify they are not lying to the public (some brands do, or rather you can say that they changed formulations without notifying their customers). Mobil 1 has done this trick several times now.
Then they run the oil for their intended miles up to change time and then they do a Used Oil Analysis to see what the numbers dropped down to and how much of what sorts of wear metals the oil picked up from wear in the engine.
Just type "VOA Rotella T-6" into your browser and Bobistheoilguy.com will pop up at the top of the results with a series of VOA from most recent on back.
Here is an example.
http://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=2330040The dark column is Blackstone's average results for all HDEO oils, which have a lot higher ZDDP levels than car oils do, generally speaking. And Rotella products have more ZDDP than the HDEO average.
We get a lot of information from Bob -- there are a whole lot of folks who pay $35 a test to watch Rotella products like a hawk to keep Shell from screwing up and changing it -- they like it the way it is now.
It is interesting, only just lately has Klotz or most of the standard dino motorcycle oils realized they have to have more ZDDP than their car products do to keep motorcycle engines healthy. Now they are treating like an advertising war (which it is, of course).