Actually you'd be pushing about the same. To really push more you need all the SVT parts, and you might as well start with a svt to do that with.
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