More horsepower in the Honda civic?!?!

Hey you guys, have a question, because I don’t know so well with motor(tuning) etc.,… have a Honda Civic Bj. 92, unfortunately only with 55kw….. now I want but more power (can anyone understand ) the question is what’s more worth putting in? tuning, if what exactly? and what does that cost? …. oda a v-tec-motor reinbauen? there are some pages where to sell? fits every v-tec-motor in my car? hope you can help me a little, so my honda doesn’t only nice but also fast is thank you nice times and greetings from Stuttgart Micha