Simple as mate really just a couple of things you need to know,

Drivers engine mount needs to have the 3rd hole made so it bolts to the block you will understand when you try it water pump needs to be from an rs1800 also alternator bracket you need a 1.8 flywheel 220mm clutch (rs turbo) bung it all in on the cvh box (1 bolt wont go in as there is not a hole on the block) cvh starter plumbing it up should be easy 2