Wow. That elevation is great. The track I run at is Some 3000ft. elevation. You definately should be faster. I was running 15.77 at around 88mph at that track with the stock setup. Like every one else says practice, practice, practice. Good Luck!

the fastest stock mustang (no head work, stock cam and intake-but bolt ons) i've seen was a green 93 lx that ran 13.27 in the 1/4... i was trying to beat that with an aod but i decided to build a motor

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My slo aod- 3.73s, pullies, flowmasters, h-pipe, bbk cold air, and 13.42 in the 1/4 @ 103 mph