V viviann New member Jul 11, 2010 #1 I have a 2006 Chevy Malibu Lt V6 and I use 87, but would 91 premium help my performance? And is it bad to mix 87 and 91 premium?
I have a 2006 Chevy Malibu Lt V6 and I use 87, but would 91 premium help my performance? And is it bad to mix 87 and 91 premium?
