1985 prelude what motor is this

i have a buddy of mine that is willing to give me a 1985 honda prelude base model and i'm not sure what size motor is in it i am wondering what size it is and can it fit in my 1990 c-rex on the hood i found a # fhn1.8vofgf4 oh yeah it has a dual carb set up i've never sen this before any help would be greatly appreiciated sorry for my spelling

That's an A18 or ET2, whatever you wanna call it. I'm sure it'd fit in the Rex with custom mounts. Anything is possible with money but it sure wouldn't be my first or second choice of motor for that car.