Can Mustang GT take 87?
Can Mustang GT take 87? Well-Known Member. Really comes down to personal preference and your reaction to fear, uncertainty and doubt. The motor ECU will adjust to either, there will be no negative affect from using either. The motor makes slightly less power using 87 than 93, but all information shows that for the GT it is around 1% or 4hp. What fuel do Mustangs use? Premium gas contains a higher octane level than regular gas. The higher the fuel octane, the better the fuel compresses during the compression and combustion phases of an engine cycle. This provides more power...