is there a misfire some where? check timing with a timing light. Go back and recheck the marks that the belt didn't skip a tooth and the helt is nice and taught. If you have no power down low it definately sounds like the timing may be too advanced or too retarded.
Zetec > VTEC
Shorty w/ HKS Filter / JBA Shorty Header / Ported TB / Early Style Intake Manifold/ Ractive 9 mm Wires/ Autolite Platinum Plugs/ 2.25" Mandrel Exhaust/ SCS Short Thow Shifter / Front Strut Bar
Focus Shop Cup Front Lip/ Painted Front Grille Signals / CF M3's/ De-Badgged / Focus Badges Over the Blue Ford Ovals
Panasonic / American Legacy / Stinger / Audiobahn / Q-Logic
But I traded her in......