Also another ball game if you are running E85 or race gas, if you have direct port, how good your tune is, if you trust your gas station to actually put 93 in the 93 tanks etc...
2000 Mustang GT Steeda #0048 34k miles. 99 Cobra 4V swapped, FTBR IRS swapped, exhaust, tuned by James Gordon.
Just because I give you advice, doesn't mean I know more than you. Its just means I've done more stupid ****.