What year mustang for a more specific answer... but the mustangs are faster stock vs. stock. But mustangs don't handle near as well. Contours aren't drag cars.
98.5 SVT
91 Escort GT (almost sold)
96 ATX Zetec (i brake to watch you swerve)
FS: SVT rear sway bar
WTB: Very cheap beater
CEG Dragon Run - October 13-15