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  1. General K-series related talk
    Hey, so me and my friend did a whole K20z1 powertrain swap from a 06 RSX Type S into a EP3. I have both the original k20z1 engine harness and ecu. Is the only thing that I'll have to do is reprogram the key to make it run? I want to make sure the ecu will communicate with all of the other...
  2. 1992+ Civic EG / DC2 / EK K-Series Swap
    Hello there, big noob here, been searching for months now, so I got 93 eg and doin a k20a2 swap with egk2 mounts. Just wanna know if ep3 axles will work on my swap, direct bolt on?
  3. General K-series related talk
    Hi! I have had my ep3 (k20a2) sitting over winter and went to start it and it would not start. The car cranks over, so the battery is fine and the fulepump is running. After a numer of attemts to start it and alot of cranking i don't realy know where to begin. Do you guys have any idea of what...
  4. 2001+ Civic EP3 / RSX DC5 / EM2
    I just bought an ep3! Is there anything i need to be aware of when i go to swap my high mileage k20a3 motor from my ep3 si with an rsx base model a3.. Just the motor. The engine has 270k on it and i just don't think thats reliable anymore i need.. Should i do both trans and engine? Is there...
  5. General K-series related talk
    Hi all, first post not sure if this is the correct area. So I have recently rebuilt my k20. After the build I had a code for an 02 sensor, replaced sensor, all ok code went away. First test run of the car shown that it wont engage vtec, it gets past the vtec engagement rpm and just revs out...
  6. Introduction Forum
    Hey all, new here. I'm not a big Honda guy, but my dad always was so sorry if i sound un-educated because i am lol. In September 2014, my dad passed away in a tragic motorcycle accident and all that I've had left of him is his old EP3 he bought brand new in 2003. As we all know the K20a3 is junk...
  7. Video Gallery
    Don't forget to check out my other videos starts from base tune till present. Add me on instagram if you would like @thatdirtyboostedep3 If I posted this on wrong section forgive me not the brightest bulb when it comes to the tangled interwebs stuff . Makes me pull my hair out and slam laptops...
  8. 2001+ Civic EP3 / RSX DC5 / EM2
    Hey y'all. Im sure this topic has been beat to death, but I recently acquired an '03 EP3, and was wanting to build it to around 450hp. Anyone have any good input as to what would be the best way to do that? I was considering doing a K20a2 head, K24 block, but I was wondering if any of you K...
  9. My k20 5 speed transmission

    2002 civic si trans. yes I know no LSD but
  10. 2001+ Civic EP3 / RSX DC5 / EM2
    I have a euro type r K20a with a esp3 LSD 6 speed transmission, do anyone know of a transmission mount that will make this work with my EP3? I would like to use the 6 speed transmission if possible.
  11. Wiring and Electronics
    HELLO FORUM MY NAME IS CHRIS IM NEW TO THE K SERIES SCENE CURRENTLY DOING A K24A2 BLOCK WITH A K20Z3 HEAD I WAS TOLD THAT THE EP3 HARNESS WOULD BE ABLE TO RUN MY SWAP IVE ALSO BEEN TOLD THAT THE EP3 AND RSX BASE SHARE ALOT OF SIMILARITIES SUCH AS AXLES SO MY QUESTION IS COULD RUN MY SWAP WITH A...
  12. All Motor K series Technical Discussion
    Hello everyone! New Ep3 owner here, and also tuner in training. I’m taking courses and my shop is getting our dyno setup currently (side note, anyone near western Montana needing tuning, let me know). Loving my hatch, and since I am working towards tuning vehicles I think using my car as a...
  13. 1992+ Civic EG / DC2 / EK K-Series Swap
    Hey guys, I’m planning a ground up k24 build. I want to buy the block, crank, connecting rods, and piston. I’m debating on buying a built head or building it myself also. I’m just lookin for some general advice for the actual build of the engine, specs to keep in mind, work I may need done I’m...
  14. ECU and Tuning
    Hi all, I am working on a European EP3 with a new Kpro V4 conversion but when it come to tuning on the Dyno, I noticed the A/F data in the display of KManager isn't working and is fixed at 14.7 Luckily I can log the AFR on the Dyno but I would rather have the ECU and software working in this...
  15. K-Series Transmission
    I recently performed a 6th Gear TSX swap on my EP3. Now 6th Gear pops out. It doesn't grind but pops out after a few seconds. If you lightly rest your hand on the stick shift it stays in gear without popping out. I verified part numbers and I installed the correct needle bearing as I've read...
  16. Cars for Sale
    [SIZE="5"]I am looking to sell my Civic Si because I will be moving soon. There are some mods done to the car and is ready for what ever you throw at it. It has a k24a2 motor swap with just over 55,000 miles on the motor, the body has just about 190,000. There is no rust on the body, has not...
  17. Introduction Forum
    Hi from Spain, Working with my civic: Custom Cage AIM MXL K-PRO PRB Exhaust Skunk J'S LSD 1.5 Shifter k-tuned ...
  18. Parts Wanted
    gday im after a ep3 pulley kit/power steering delete kit for my k24a2 give me your offers if you have one must be willing to send to Brisbane QLD Australia 4061 :coleman:
  19. Civic Builds
    Hi everyone I'm a Brit, so please bear with me on the language barrier! I'm copying this thread off another forum. This first post is from late 2015 when I bought the car. I've always loved my EP3s. The problem is the cost of modifying them beyond basic levels is extortionate. My solution...
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