Outer Limits 4x4 Board

hey all i am i need of a faster vitara...its a 1.6 carby 5 speed..... i want to no what i can put in there ie: different engine out of something else donno toyota or honda or i donno.... or maybe turbo charge or supercharge the good old vitara engine..... my engine is perfict but i want it to have more on road power......

HELP me PLEASE.......

thanks all......