-------------- Original message ---------------------- From: Daniel Solomon <[EMAIL PROTECTED]> > There was a good article on this in June 07's Hot Rod magazine. As > of 2006 Shell Rotella T oils still had the ZDDP but there are plans > to phase it out of this as well. > Best news in the article was that Quaker State's line of Q Racing > synthetic oils are formulated with all the necessary anti friction > additives to keep our engines alive. We just have to find out where
I emailed Amsoil in July and in reply was told that their diesel, motorcycle, and racing oils contain higher levels of zinc. How long this will last for the diesel and cycle oils is unknown but I imagine the racing oils will be unaffected. Brad

