Individual throttle body (ITB) setup would be the best n/a setup for the Zetec. yes with a carb you can dleete the ECU, but unlessyou know what you are doing, this is a bad idea. Besides ITB will net the most gains.
Frank McCoy aka Mod-deth aka Mid Life Crisis aka SVT Doood aka mcgainer is a SCAM ARTIST
Pre98 Zetec - Some Mods
