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  1. ECU and Tuning
    Ok so I'm in the market to buy a kpro V4 to start tuning my car but everywhere I look there is never anything for my car. I've done my research and as for the 05 Accord I should be able to put a kpro pretty much right into my current ECU but everytime I go to buy one NOBODY has anything or I'm...
  2. General K-series related talk
    i’m pretty new too the car scene. with this going to be my first swap. i was wondering which engine would be better for street racing. i do plan on turbocharging it. i know the basic between the two how the k24 is better torque while the k20 revs a lot higher. i was seeing what you guys think...
  3. General K-series related talk
    Hi as title states looking for the correct throttle body gasket to purchase for my setup. Quick run down of set up : Ek civic K24A3 cl9 accord euro (tsx) Rbc manifold Stock oem cl9 accord euro (tsx) drive by wire throttle body So I need a thottle body gasket but not sure if I buy a gasket to...
  4. K-Series Transmission
    Rebuilding an 05 element transmission and adding a 6th gear from a tsx. the original counter shaft I had was damaged I ordered a used one online and everything with that counter shaft matches up but my old shaft had an oil channel along with the port holes the new one does not. I’m assuming...
  5. General K-series related talk
    Forgive my noobness, I am new to this level of auto repair but I am trying to learn. I have a 08 accord EXL and decided to open my valve cover recently to do some inspection of the engine as I bought it recently. I checked timing and see if I have the updated VTC actuator (I have startup...
  6. Introduction Forum
    Just introducing myself. I am building a DIY lotus 7 style car that will be using a K24 Accord Euro engine. About 75% finished. Still yet to do the wiring and first start. Currently welding an exhaust. Cheers Simon
  7. General K-series related talk
    So I'm wanting to build a motor for my daily, currently the car has a k24a4 motor with 211k miles, pure bone stock motor wise. I want to turbo a k series but starting from the block up, buying little by little until I have everything I need to assemble the full engine. My HP goals are about...
  8. General K-series related talk
    So I have a 05 Accord sedan with the k24a4 and 5 speed manual, synchro gears are going out and looking to ether have the trans rebuilt or to swap something better in all together. Rebuilding the trans I've been quoted 7000$ just to go back to OEM gears, nothing special and feel like that's a rip...
  9. General K-series related talk
    Hello, so my trans synchros have started to go bad in my 05 Accord ex sedan that has a k24a4. I'm looking to actually build the car and I want to boost it (goal is to make roughly 500-700whp with swapping to a k24a2 block with k20a2 head by the end, but want to see if it works with what I have...
  10. General K-series related talk
    I am brand new to all things honda, and I'm loving what I'm seeing so far. The rundown: I have been an Evo guy for the past 10 years and have went through several of them. I am now throwing in the towel as I'm sick of the evo inflation. I'm snagging up an 03 CRV manual awd soon and because I'm...
  11. General K-series related talk
    Hey everyone I’m going to be doing a k swap in my 99 civic soon I already have the PNN3 trans for the swap but I want to know the difference between a jdm k24a and and usdm k24a2 is there any difference? If so what? What one should I go with ant info is appropriated thanks!
    k24
  12. General K-series related talk
    I am a new owner of a K24A4 w auto tran, I previously owned a d17a1 so you already know there wasn't a damn modification I made to that slow horse, what are some common, reliable powertrain mods I can know more about to get me started into a rabbit hole. I'm new to this so I appreciate all and...
  13. K-Series Transmission
    I have a CR-V and I want to do a j swap but keep the real-time 4wd. I’ve been lookin up to see if I can do it or not but I haven’t found anything on it. Is it possible to use my oem tranny with a j35a8?
  14. Engine Building
    So I have a 05 accord ex sedan with the 2.4l k24a4 in manual and I'm looking to swap the head to a k24a2 head but was curious if the a2 block is better than the A4. I'm changing pistons and rods regardless to some trusted aftermarkets, will have a ktuner, fuel rail, 2200cc injectors, and a few...
  15. Forced Induction and Nitrous K series discussion
    Hi All Stupid question maybe but i don't see anything on google only modified ones like vtc, pump etc. But I wonder if anyone has a dyno/info with a good manifold dyno numbers on low pressure like wastegate pressure (7-10psi) Specs i'm doing (or have): Engine: JDM K24A (RBB) with 25deg vtc...
  16. Engine Building
    Hello, my name is Josué Here to ask some questions and gather some info on this build I’m working on. Here’s my introduction: Hello, my name is Josué. I’m new to K20a.org I talk about what happened previous to starting this build Here’s a list of all the parts I have so far. K24A2 Block (87mm...
  17. Introduction Forum
    Hello, my name is Josué I’m from West Texas, El Paso to be exact. I will mainly be making post asking questions about for my current engine build for now.
  18. All Motor K series Technical Discussion
    Hey yall. I'm building a k24 with 12.5:1 compression, and I need to find a suitable target A/F ratio. My tuner had my 11.0:1 compression K20 targeting 13.1:1 air/fuel, which worked perfectly. Since I will be tuning this setup, should I enrich the mixture, or should I keep it the same as the...
  19. 2001+ Civic EP3 / RSX DC5 / EM2
    Okay so I have been doing some research on potential routes I want to take with this build. I got an 01 Civic EX Sedan in full working order from someone after my last car literally went up in flames. The car w/ original engine has 450k miles on it. I figured there is zero downside to a free...
  20. 1992+ Civic EG / DC2 / EK K-Series Swap
    I keep seeing people on forums saying you can use base rsx axles without swapping inner joints. I know what your going to say, just bear with me. Can you use 2 driver side ep3 axles and just swap the joint on one of them? assuming I have 3 oem axles to work with? Would the extra length on the...
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