i done conversion an my scort, you need, (what mines got )
water pump (you can now get ready converted ones), tensioner modifying, but again i tink you can get one already modified, and bottom pulys of 1.6 cvh, weld up the front 4 oil returns on top of block, dril sump for oil retun pipe, cut bottom lug of mounting. drill out flywheel bolt holes to 11mm cause bolt holes are bigger on z tec, thats about it, if i was you ad got for some forged or shot peend rods as i had a standard rod twist (thank fuck it dint snap lol)
any mre help needed jus giz a shout