TX3 4WD

what can b done to the twin cam 1800 already moded with uni chip, intercooler, 3' exhaust, rebuilt T03@6-19Psi, O/S injectors, VL fuel pump, oil catch can and cold air induction off HKS pod. dyno's @ a true 115kW@ all 4. not sure on boost level. lookin at buying this what can u do to bringa solid 200kW@ the rubber E mail king_matt87@hotmail.com
r there any engine swaps that u can do that r worth while