Your best option is full zetec turbo you can get plates for the exhaust / turbo manifold and you can also get plates for the inlet .. Your best option is to use a rover turbo inlet .. And you can also use a compression head gasket if you are going down the cheap rute with out putting pistons and rods in it . I did a zvh and you need holes in the block blocking up you need to tap and die holes in the side of the block for your water pump and things .. But either conversion is easy enough