87
" regular " unleaded 87 octane for the GT Mustang
According to the 2004 Ford Mustang Owner Guide : ( " regular " unleaded gasoline , 87 octane )
The 2005 Ford Mustang Owner Guide shows " regular " unleaded , 87 octane for the 4.6
87 octane
87 octane unleaded
regular unleaded - 87 octane
" regular " unleaded , 87 octane
No, it will not.
87 octane is recommended
87 octane - " regular " unleaded
For a 2012 Ford Mustang GT : ( I believe that is rated at 412 horsepower if using " premium " unleaded , 91 octane ) although it runs fine on " regular " unleaded , 87 octane
" regular " unleaded , 87 octane