7agze to 7agte?

[the boffin]

Want to get more from my ae86 7agze.
Engine spec as present, hopefully about 220bhp+, wanting advise if I can change to turbo easily, what size T3 or other? What power am i looking at getting? Will 4agze ecu setup be adequate?
Dave

7agze
1800cc 7afe block 1996 celica st overbored & decked
Oil cooler pistons jets machined in
Arias 81.5mm oversized forged pistons
Pauter forged rods w/oil feed to small end
Arp bolts
Argo race bearings (machined for oil feed)
Argo HV oil pump
4age big port head polished & ported
HKS 1.0mm steel head gasket
NA inlet manifold
Celica GT 55mm throtthle body
Blitz sus air filter
Supra 1ggze/previa sc14 1435cc supercharger w/sc12 125mm small pulley fitted
HKS adjust cam gears
Porsche 924/944 1986 117x19mm timing belt
AE92 4agze dli & ecu
PFC HKS f-con & gcc
HKS super header 2 s/s 4-2-1 manifold & super drager exhaust
Samco sport silsicon hoses
Earls s/s braided fuel & oil lines
HKS intercooler
MOCAL 13row oil cooler
Walbro 255lph fuel pump
custom 50/60mm s/s tig welded pipe work
Fensport oversized pulley kit
HKS vac mod
HKS ssqv recirculating dump valve
FSE adj fuel press regulator w/guage
Koyo racing alloy rad & twin 10" PACET fans w/thermostat
Cusco puke tank
alloy water pump pulley