I found a B18 out of a 94 integra, I can get for a good deal. What all would i need to do the swap? What copmuter and harness would i use? Is the B18 worth all the work?

 

b18 what? ls, or gsr? yes get the whole thing, axles, shift linkage, ecu, wiring harness, motor mounts, complete disk brake front and back, brake bosster, non abs proportional valve (4040), master cylinder. this being greedy here rims, seats heck everything that you can get your hands to it...

 

There is an FAQ topic posted at the top of this forum listing.

I suggest you read that entire topic if you want to find out all sorts of awesome info including the very swap you're asking about.

 

For the swap you'll need the following from the Integra:

engine
tranny
ecu
engine wiring harness (optional as you can use your stock Civic one)
axles
intermediate shaft for axles
shift linkage
all mounts (although you won't use all of them)
radiator hoses (or buy new ones for 94-01 Integra LS)
exhaust manifold/header
catalytic convertor (if possible, or use your Civic DX one)

That's about it.

Again though this has been covered a million times over in this forum and in the Hybrid forum.