So got the H22 installed in the civic. The aftermarket eBay mounts fit ok, had to persuade the driver side mount and add some spacers for it to line up properly. You get what you pay for I guess. Better mounts will come in the future but at this point I just wanted to get the thing running. The Yonaka shafts I ordered fit perfectly and got everything else bolted up. And lastly, plugged in the ecu. Got the factory Prelude P13 chipped to bypass the EGR and Evap systems. Can't do much else in terms of fuel mapping on the P13 unfortunately.
So it's time for first start up. Did a last once over and turned the key. Finally fired after pumping the gas, but ran ljust like the old D15 did. Was only firing on 2 cylinders and sounded like a cammed V8. So.. Time to go over our wiring to start.
So 2 weeks we spent going over the wiring at least 3 times wire by wire, with no problems. We changed the plugs and wires, drained the old gas and put in new, went over all vacuum lines, checked timing, and still had the same result.. So we were at a loss and didn't know what else to do. Out of curiosity and as a last resort, we plugged in the old Civic P06 that it came with the car when I bought it, just to see what would happen. turned the key and it ran, maybe not perfectly, but on all cylinders and idled smooth. As soon as you'd give it gas it would stall out. So that settled it, it's the P13 that's the problem.
So picked up a chipped P28 with the Prelude base maps a couple days later. Plugged it in and fired it up. Ran about the same as with the P06 but were able to get some engine codes. there were a couple loose wires on the harness from the previous owner still, so we soldered them up and we were golden.