tell ur friend the mechanic hes a fucking moron, seriously. right no after u read this, go into ur passenger side door, pull off the little molding that hides where the carpet end, Just pull its in by little clips. take out 3 of the little black spacers that are right below glove box and on the plastic piece on front of passenger side foot well. ull see it when u look, now with those out. simply pull back the carpet like a foot. u should see a big gold cover held in place by 4 10mm nuts, take those off. take off the plate. and there sits the ecu. just slide it out over the bolts, unhook the 3 ecu plugs, and plug them into the new integra ECU. then ( what i meant by reverse), slide the ECu back over the bolts, put back on the protector plate put the 4 nuts on. and redo the carpet. dude, im a novice and i did it in 20 min, its easy after u figure out what ur doing. so go to your car right now, take a look. get the carpet pulled back take off the protector plate, see the 3 ecu plugs ( all have a different shape and size so u cant get confused) then put it back together. then the next time u do it, ull be able to do it in 5 seconds. im not lieng man its EASY, and it will make ur ZC run 10 times better. after u do it, go back to your mechanic friend and tell him he should quit his job.
