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General k-series discussion.
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All Motor K series Technical Discussion

Discussion on normally aspirated K-Series engine performance.
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Discussion on turbo and supercharged setups for the K series engines.
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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

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Honda Fit / Prelude / Accord K-series Swap

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All other models (mr2, mini etc)

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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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NEW - Welding and Fabrication Forum

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Advanced Engine Theory and Design

Advanced Discussion Concerning Engine Theory and Design
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Suspension, Handling, Body, and Appearance Corner

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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

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Engine Building

Discuss engine building issues.
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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

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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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1992-2000 Civic / CRX / Integra / Del Sol

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8th generation Civics 2006+

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Pictures Gallery

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Classifieds

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Parts Wanted

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Cars for Sale

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Vendor Member Section

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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THMOTORSPORTS.COM

K series parts for K series people
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Community Help Section

Community Help

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Off Topic Section

The Coffee shop

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Honda / Acura K20a K24a Engine Forum Since 2000 A forum community dedicated to Honda and Acura K Series engine platform owners and enthusiasts. Come join the discussion about performance, modifications, troubleshooting, power-adders, racing, maintenance, and more!
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