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Glad to hear you got it running:thumbsup:. I didn't even think about the secondary O2 sensor, becuase in Kpro you can simply disable it. When I first started my setup it threw an O2 code as well (in KManager), but only on initial start up, since then it hasn't come up. Does the O2 code come up...

My transmission grounds (front & back) both ground to the chassis on the driver side frame rail in different spots. My IM ground runs to near where my rad overflow is (passenger side since I moved my rad to the drivers side). The ground off of the back of the head grounds right near where the...

No the ECU itself does not need to be grounded, its grounded through the harness. My ECU was sitting on the floorboard carpet as well when I started it up and drove it around.

I actually used 4 grounds, one on the back of the trans, one on the front of the trans, one on the back of the head & one on the IM. Make sure the ground from the engine harness (near injectors) makes good contact with the engine. Tech - K-Series Engine Ground I used a thread chaser bolt to...

Yup, Kpro is the way to go:thumbsup: The only way around it I've seen is made by K-tuned Immobilizer / Multiplexor Bypass

I had a similar issue with the fuel pressure gauge on my HR fuel rail. I contacted Hybrid Racing and they suggested Permatex - 56521 Hi-performance thread sealant. Permatex says its ok for fuel fittings...

I read that to, that the EVAP purge hits the hood, however I'm running the Evap purge as well and I havent had any issues with it hitting my hood. I did move my hood latch up a bit when I was trying to clear the vacuum hose. Maybe it also depends on which TB you use.

Nice job man:thumbsup:Glad to see another K-swapped EG here. The K20A is a sweet motor and its nice you dont need Kpro right away to get it up and running, definitely down the road look into Kpro. Just a note since I see you are using the RBC manifold, you will have to cut a little bit of the...

K20a2 (02-04 RSX Type S) is a good place to start, PRB ECU w/ Kpro for sure. You should do some research into all the different K-series motors b/c there are many combinations that work well. The swap fits fine, I had to remove a little bit of webbing from the u/s of my hood, mounts --->...

you wont get 300whp from a stock 2.0L K-series engine block, but with bolt-ons I/H/E and Kpro tuned you could get anywhere from 210-230whp range, depending on which 2.0L engine you go with, diff bolt-ons, exhaust size, Kpro tune etc. as for the the k20/k24 build I'm not sure, depends on your...

Which K24 are you planning on using? Honda tuning did a good write up a while back on how to do a K24 swap on a budget. you can also check out this thread where I discussed my setup https://hondaswap.com/hybrid-eg-ek-dc/08-civic-si-k20-different-than-k20a2-513614/

shit man, I was going through my old receipts and I was wrong about the starter. The Z3 starter DID come with my swap, it just wasn't on the engine itself and was shipped loose. Sorry about the confusion, this was 2yrs ago for me, but after finding my receipt I realised I was wrong. My swap did...

The oil pressure sensor from the A2 harness didn't really fit the Z3 sensor, so for that I soldered the Z3 plug onto the A2 harness. I'm pretty sure I did the same for the knock sensor. You can also use an A2 knock sensor. All other engine sensors plugged in ok. The sensors on the TB all...

very nice!

Ya my fuel system wasn't cheap. You will still have to buy a FPR. Honda Tuning did a K24 budget swap a while back and showed how you can save $$ on a K-series fuel setup --> Manual Transmission Parts - Honda tuning Magazine I used my stock EG radiator, but I relocated it to the driverside...

I never added up what the total swap cost was, but your budget sounds about right. As for the Fuel system I used Hybrid racing fuel lines and fuel rail with an Aeromotive FPR. Theres more then one way to do though and some ppl even make their own fuel lines. I used a Walbro 255 fuel pump as...

Well it sounds like alot, but keep in mind that you'll have to use an RSX-S ECU, shift box and cables no matter what swap A2, Z1 or Z3 you do (unless you use the hybrid racing shifter). If you want a factory LSD Trans you have to use a Z3 with an RSX-S shifter mech or a K20A trans. The Z1 has...

Yes to use the A2 (or aftermarket) TB on the Z3 RBC IM you will need an adapter, Karcepts sells them. The Z3 wiring harness is set up for DBW throttle, thats basically what makes it different. I don't know if its possible to convert a Z3 harness to work with cable throttle, but I imagine its...

Yes I used three bolts to secure the A2 shifter mech to the Z3 case. Two of the holes lined up, but the third one I had to drill and tap in the Z3 case. You'll be able to see where to drill & tap the third hole when you line up the first two holes, just don't drill too far and go through the...

The 08 Si K20Z3 Transmission also comes with an LSD, but in order to make it work with an RSX shifter you have to switch out the shifter mech (on top of the tranny) with one from an RSX-S.