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Thread: JDM B20b CKF bypass????

  1. #1
    Member HondaSUV Senior in training
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    Default JDM B20b CKF bypass????

    i got a jdm b20b motor to replace my blown stock motor... and if u might not know.. u can use a jdm obd2 motor with a usdm ecu.. reason being, jdm Bseries motors dont use a CKF. therefore ... the Civic and Integra guys have figured out a bypass, by basically cloning the CYP signal..tricking the ecu into thinking a CKF is wired in....... BUT!!! my ? is will this work on a CR-V if I just locate the correct wires using a wiring diagram????????



    P.S. just wondering if anyone new about that?????

  2. #2
    Senior Member HondaSUV Mentor CRX's Avatar
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    Can't see why it would be any different on a CRV to a Civic or Integra?

    (-8
    Time flies like an arrow.
    Fruit flies like a banana!

  3. #3
    Senior Member HondaSUV Mentor OSX2000's Avatar
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    Any chance your engine was shipped by Roadrunner Freight? I just loaded a JDM B20B into a Florida-bound truck a week or so ago. A week before that, I saw a JDM D15B, and there's another D15B in the warehouse right now. These are the first JDM Honda motors we've shipped since I've been there.

  4. #4

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    i also just swapped in a new jdm b20b and having the same problem right now... i either gotta bypass it or swap in a new usdm oil pump

    but heres a link to how to bypass it

    http://www.carolinahondas.com/instal...tml#post763782

  5. #5
    Member HondaSUV Senior in training
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    Quote Originally Posted by 97CR-V View Post
    i also just swapped in a new jdm b20b and having the same problem right now... i either gotta bypass it or swap in a new usdm oil pump

    but heres a link to how to bypass it

    http://www.carolinahondas.com/instal...tml#post763782
    Yea i have seen the bypass instructions before, but just was wondering if anyone else had experience with it on a V??

  6. #6

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    just did it to my V and it worked great... no more than a 5min job... no more CEL

  7. #7
    Senior Member HondaSUV Senior
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    I did the same as well worked fine, I used a write up from rywire.com has great pics

  8. #8
    Senior Member HondaSUV Mentor
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    I had posted some info in a previous thread about the bypass trick I had found. Link to the thread below, did this on mine and worked perfectly.


    http://www.hondasuv.com/members/showthread.php?t=49160

  9. #9
    Member HondaSUV Senior in training
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    i just spun a rod in my crv ill be getting a jdm motor to put in this is my first jdm motor swap. do you guys have any info that would help! should i just do the timing belt and water put before also should i do a valve adjustment up front? I'm going to do the motor mounts while it is out do you know what poly mounts can fit id need to find civic or integra ones !

    thanks i know this is a old thread!!
    2000 Honda crv offroad worthy

  10. #10
    Moderator HondaSUV Elder sgtsandman's Avatar
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    In theory, doing the TB and WP while the engine is out should be easier. When you do the adjustment won't really matter.

    Just make sure you get a B20Z motor and not a B20B. You'll lost 20 hp if you get a -B.

    Concerning the engine mounts, I don't remember seeing any poly mounts for the CR-V.
    Mike: Sgtsandman's 'V
    2011 Ford Ranger XLT, 4X4 5 MT


    1999 Honda CR-V EX RT4WD 5 MT



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