read this:
http://www.jrcormier.com/prelude/engineswap
register for and then search on preludeonline.com, absoluteprelude.com, gen5alive.com, honda-tech.com, superhonda.com, etc.
there's a TON of information out there about H22 swaps into preludes. it's a simple direct swap so just about everyone with a prelude does it. working on BB4 Preludes is like building with Legos. everything from each model works with the other engines and models... with only minor exceptions.