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General k-series discussion.
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Discussion on normally aspirated K-Series engine performance.
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Forced Induction and Nitrous K series discussion

Discussion on turbo and supercharged setups for the K series engines.
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General Smog Test Discussions

Here we collect all the information and questions regarding smog test and passing
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K20a.org Marketplace

New Product and Industry Announcements

Learn about the latest products out for K series cars and motors.
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K20a.org Swap Talk

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

This is the place to post or ask questions regarding the K20A / K24A swap in a Ep3, DC5, EM2
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1988-1991 EF Civic / CRX K-Series Swap

This is the place to post or ask questions regarding the EF Civic / CRX swap
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Honda Fit / Prelude / Accord K-series Swap

This is the place to post or ask general swap questions regarding the Honda Fit and its K series upcoming swap options.
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K-series powered Kit cars

The Ultimate K series Experience.
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K-Series Technical Forum

K-Series Transmission

Transmission specific K series forum
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J Series V6 Swap Forum

Honda J Series V6 swap general information
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Advanced Engine Theory and Design

Advanced Discussion Concerning Engine Theory and Design
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ECU and Tuning

Discussion on K-series ECU and tuning
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Wiring and Electronics

Discussion on K series wiring and anything else electrical and/or electronic.
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All other Honda models K-Series Swap

This is the place to post or ask general swap questions regarding any other models.
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Engine Building

Discuss engine building issues.
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Discussion on non engine related electronics.
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k20a.org Track and Racing Forum Want your company's banner here? Email us for rates

Drag Racing

Discussion about Drag Racing and Road Racing cars, theory, setups.
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Racing and Kills

Talk about any kind of racing involving K series or not! Want your company's banner here? Email us for rates
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Road Racing

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Acura RSX / TSX / Honda Civic EP3 / 2006 Civic Si

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

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Great Deals

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Vendor Deals

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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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EBC Brakes

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Latest Posts See all new posts
  1. NEW PARTS PURCHASED : EVERYDAY Hello K20a.org this is the 1st time I have ever created a build thread, not just on K20a.org but on any website. Currently the purpose of this build is to get as many miles out of this engine and tranny, providing I add some love into the build. It will be going...
  2. Some people know... I've been racing a 2000 Civic Si (EM1) with a B18C5 (190hp/2500lbs) in the Honda Challenge H2 class. This was a well used chassis and a hand me down... finally the passenger side frame rail started to fail. The failure showed signs of failure by breaking passenger side axles...
  3. What is the preferred Terminal Release Tool? I lost my el-cheapo set in the middle of the work I am doing. Taking the time to get a better kit..Any suggestions?
  4. I have a k24z3 in a 2.4L '08 Honda Accord and I am fixing a stretched timing chain. Unfortunately, in my stupidity, I lost timing between crank and camshafts... chain was so stretched it slipped by accident over crank when I was doing something. Can I re-time the engine by the following...
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