quote:I'd like to know what aspect of the oil this is and how it helps? We have seen Mobil 1 show elevated Fe numbers and I'm wondering if they don't use enough of whatever Amsoil is using to prevent this. It does appear that M1 is showing higher then normal Fe numbers, which at first I was not convinced of. [ November 22, 2003, 08:34 PM: Message edited by: buster ]
Prevents Rust and Corrosion AMSOIL Synthetic 5W-30 contains special rust and corrosion inhibitors to protect iron parts, as well as copper, lead and aluminum bearing materials.