You could make an older engine work, but I honestly think in the long run, you'll be better off with the B16A2 (just to clarify, a B16A2 is from a '99+ Civic Si). Here's a good site with some info to help you research the swap itself and what you'll need.
http://www.phear7imports.net/subs/btroop/trey/6gen/
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Andy - Reinstated
Hybrid Forum Moderator
'06 Subaru Legacy Spec B - Stock, for now
'98 Civic EX - CTR headlights and grill, Kosei K1's, for sale
'90 240SX - SR20DET that will never get installed, project car.