TSR are building my best mates big turbo 1.8 20vT MkII Golf too 
nice whats the spec mate
Custom Gt2867r variant with tial housing, tial 44mm waste gate, tubular mani. Fully forged internals. Bored out to 2 litre, all arp bolts/ studs, inconel inlet/ exhaust valves, sach clutch, I can't remember the injector size, but there bigger, 3'' dp and exhaust, emerald management. V- band fittings on turbo/ exhaust, waste gate, External screamer, Vibra technics mounts, shallow baffled sump. VT mounts