Plz help. 10 points, Engine Help. Honda?

Ok i was wondering what my car motor is cause im a bit lost with it. i have a 1988 Honda prelude, 2.0 litre Si 4ws 3rd gen, thats what i know. i want to know what motor it has, like a b20a??? whaever type it is, lol... if that helps. if u need more details ask, and i will add it on. thanx heaps. i will give best answers... for the actual best answer, not the first good answer. thanx