Superchip is the best mod for an atx (although you will have to run 91 octane). O, what do ya know. I got one for sale.
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