ye i no how the zvh and the full on zetec turbo converions work mate just u said (and a new 1.8 bottom end) so that dant reli answer my quesions for how ur running the efi lol as u need a signal from the cps sensor which on a fiesta rs is on the block into the gearbox housing when useing a efi fly wheel.but the differnt ways are by using a sensor mounted to the crank pulley for the cps but i want to no wats the best one to use ie get drill a hole in my block and get an efi wheel or use the kits? nothing to do with 1.8 zetec blocks lol and why use a 1.8 mite aswell just 2.0 to 2.1zvh?

mart