try the cap and rotor first, could be the igniter or even the distributor itself. Yes you can use your si intake, yes our si tranny will bolt up. You can use your si distributor with a few modifications..... try this link and go to
http://hybrid.honda-perf.org/tech/info.html. once your there go to archive,4g tech that will take you right to the swap........
good luck....gunnmen01