Honda Civic 1992 hatchback modifications and conversions?

Hey everyone! I have a couple of questions that I would like to have answered. It's about my car, and the things I want to do to it in the next following years. Me, my dad and two other friends wanna help. Thanks:)

1. Can a b18 motor be hooked up to a CR-V transmission?
2. Are there any aftermarket AWD transmissions that can be found?
3. How much power can a fully modified d15b7 engine produce? (In terms of horspower)
4. How can you modify the transmission?

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