4g91 1.Install management(piggyback) such as E-manage(Greddy) or Dastek Unichip 2.Adjustabal campulley+high cam 3.Port & polish head - porting 4.Bore to 81mm piston...install mivec piston for high compression setup+mivec injector 240cc 5.Bolt on turbo....sure you willl gain more horsepower until 200 bhp Azrin 019-2527785
Yes, any engine can be turbocharged, building your own is complex, I would try and find a kit avail. for your yr/make/model/engine.
4g91
Your local library's automotive service books or "All Data"