Why don't you want a turbo? Why not a lightly built and boosted 3L? I'm sure you could build a 3L for relatively cheap that would handle boost well and make close to 300whp and a lotta torque.
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