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Discussion on turbo and supercharged setups for the K series engines.
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Here we collect all the information and questions regarding smog test and passing
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1992+ Civic EG / DC2 / EK K-Series Swap

This is the place to post or ask questions regarding the K20A / K24A swap.
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2001+ Civic EP3 / RSX DC5 / EM2

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1988-1991 EF Civic / CRX K-Series Swap

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Honda Fit / Prelude / Accord K-series Swap

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K-series powered Kit cars

The Ultimate K series Experience.
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K-Series Technical Forum

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Transmission specific K series forum
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Honda J Series V6 swap general information
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Advanced Discussion Concerning Engine Theory and Design
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Road Racing

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Discussion on native K series cars.
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8th generation Civics 2006+

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CariD.com

Need to customize or repair your Honda Civic? Check out our selection of parts and accessories at CARiD.com, or give us a call at 800.505.3274 for professional advice.
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Latest Posts See all new posts
  1. NEW PARTS PURCHASED : 7/12/22 Hello K20a.org this is the 1st time I have ever created a build thread, not just on K20a.org but on any website. My little company is call B&B Weld and Fabrication and by no means am I attempting to sell products that B&B makes. I am simply sharing somethings as...
  2. 1988-1991 EF Civic / CRX K-Series Swap
    hey guys looking at purchasing a motor and tranny for my 88 crx i will be using hasport mount but I'm unsure of which type of axles ill need considering its an ep3 tranny. can i still use base rsx axles or do i need ep3 axles
  3. General K-series related talk
    Hey everyone, I've got a K24A in a Subaru BRZ with the KPower swap and I noticed extremely erratic oil temperature readings - up to 270-280f with a large Setrab cooler and heavy fluctuations when getting on and off of high throttle openings. At first I thought it might just be by setup, but a...
  4. All Motor K series Technical Discussion
    I’m getting pretty close to slapping my k20a2 head on my k24a. I believe you need the jdm k24a water pump housing since all the locations for bolt on accessories are different right? If I do I’m having a hard time finding a jdm version online. They all say k24a2. I think my 2005 ep3 has a jdm...
  5. General K-series related talk
    Hey guys. I have a 98 civic ek coupe. I just got my k20a2 in the car and got it to fire up! Super stoked. BUT I noticed my axles seemed to be angled downward on the driver side? I have stock suspension as of now. My driver side knuckle hangs down rather low when it is on jack stands. Passenger...
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