Mobil 1 has an "Extended Performance" oil now ,already at Wally-Mart . It's loaded with more anti-wear additives in it like Shell's Rotella T synthetic oil and AMSOIL. Means it has more Zinc and Phosphorus which is good for engines under severe stress.
Anyone ever heard of this?
http://www.mobiloil.com/USA-English/MotorOil/Oils/Mobil_1_Extended_Performance.aspx
http://www.mobiloil.com/USA-English/MotorOil/Oils/Mobil_1_Extended_Performance.aspx





