How are you going to lower the compression ratio with out opening the engine up ?

A focus Rs inlet is the same as any 2.0 black top inlet, only tb and injectors are different.

8 psi will not see 220 bhp for shit. Be surprised if you see 175 bhp especially if on ofab with a shity eBay cooler.

The only bit you said which was useful is the escort t3 part.

Best way IMO is either,
Vag 20v pistons in a 1.8 black top.

Or st170 bottom end with 2.0black top head.

Any thing else is just a ticking time bomb ( decomp plate, skimmed pistons )

Even with the above set up you'd probably end up running fiesta Rs management which is FAR from ideal.

Try not to cone on here telling people it's cheap easy to do, because it's not.

I reckon budget atleast £1000 for the most very basic crappy zetec turbo build.